Home / 28,635,612.60-39,517,621.02-15,583,421.64

Finding the Fourth Proportional to 28,635,612.60, 39,517,621.02 and 15,583,421.64

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Solution

The fourth proportional to 28,635,612.60, 39,517,621.02 and 15,583,421.64 is: 21,505,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635,612.60 : 39,517,621.02 = 15,583,421.64 : x
  2. Step 2: Convert to fraction form
    28,635,612.60/39,517,621.02 = 15,583,421.64/x
  3. Step 3: Cross multiply
    28,635,612.60x = 39,517,621.02 × 15,583,421.64
  4. Step 4: Simplify right side
    28,635,612.60x = 615,819,750,564,387
  5. Step 5: Solve for x
    x = 615,819,750,564,387/28,635,612.60
  6. Step 6: Final answer
    x = 21,505,380.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.