Home / 28,635,140.40-39,517,325.31-15,583,241.04

Finding the Fourth Proportional to 28,635,140.40, 39,517,325.31 and 15,583,241.04

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Solution

The fourth proportional to 28,635,140.40, 39,517,325.31 and 15,583,241.04 is: 21,505,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635,140.40 : 39,517,325.31 = 15,583,241.04 : x
  2. Step 2: Convert to fraction form
    28,635,140.40/39,517,325.31 = 15,583,241.04/x
  3. Step 3: Cross multiply
    28,635,140.40x = 39,517,325.31 × 15,583,241.04
  4. Step 4: Simplify right side
    28,635,140.40x = 615,808,005,694,354.75
  5. Step 5: Solve for x
    x = 615,808,005,694,354.75/28,635,140.40
  6. Step 6: Final answer
    x = 21,505,325.17

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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.