Home / 28,030,601.40-42,045,902.10-26,329,990.20

Finding the Fourth Proportional to 28,030,601.40, 42,045,902.10 and 26,329,990.20

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Solution

The fourth proportional to 28,030,601.40, 42,045,902.10 and 26,329,990.20 is: 39,494,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,601.40 : 42,045,902.10 = 26,329,990.20 : x
  2. Step 2: Convert to fraction form
    28,030,601.40/42,045,902.10 = 26,329,990.20/x
  3. Step 3: Cross multiply
    28,030,601.40x = 42,045,902.10 × 26,329,990.20
  4. Step 4: Simplify right side
    28,030,601.40x = 1,107,068,190,243,159.38
  5. Step 5: Solve for x
    x = 1,107,068,190,243,159.38/28,030,601.40
  6. Step 6: Final answer
    x = 39,494,985.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.