Home / 28,025,337.60-42,038,006.40-20,850,884.10

Finding the Fourth Proportional to 28,025,337.60, 42,038,006.40 and 20,850,884.10

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Solution

The fourth proportional to 28,025,337.60, 42,038,006.40 and 20,850,884.10 is: 31,276,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,337.60 : 42,038,006.40 = 20,850,884.10 : x
  2. Step 2: Convert to fraction form
    28,025,337.60/42,038,006.40 = 20,850,884.10/x
  3. Step 3: Cross multiply
    28,025,337.60x = 42,038,006.40 × 20,850,884.10
  4. Step 4: Simplify right side
    28,025,337.60x = 876,529,599,241,458.25
  5. Step 5: Solve for x
    x = 876,529,599,241,458.25/28,025,337.60
  6. Step 6: Final answer
    x = 31,276,326.15

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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.