Home / 20,030,116.80-30,045,175.20-7,246,008.30

Finding the Fourth Proportional to 20,030,116.80, 30,045,175.20 and 7,246,008.30

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Solution

The fourth proportional to 20,030,116.80, 30,045,175.20 and 7,246,008.30 is: 10,869,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,116.80 : 30,045,175.20 = 7,246,008.30 : x
  2. Step 2: Convert to fraction form
    20,030,116.80/30,045,175.20 = 7,246,008.30/x
  3. Step 3: Cross multiply
    20,030,116.80x = 30,045,175.20 × 7,246,008.30
  4. Step 4: Simplify right side
    20,030,116.80x = 217,707,588,874,154.16
  5. Step 5: Solve for x
    x = 217,707,588,874,154.16/20,030,116.80
  6. Step 6: Final answer
    x = 10,869,012.45

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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.