Home / 39,719,141.40-59,578,712.10-15,459,187.80

Finding the Fourth Proportional to 39,719,141.40, 59,578,712.10 and 15,459,187.80

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Solution

The fourth proportional to 39,719,141.40, 59,578,712.10 and 15,459,187.80 is: 23,188,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719,141.40 : 59,578,712.10 = 15,459,187.80 : x
  2. Step 2: Convert to fraction form
    39,719,141.40/59,578,712.10 = 15,459,187.80/x
  3. Step 3: Cross multiply
    39,719,141.40x = 59,578,712.10 × 15,459,187.80
  4. Step 4: Simplify right side
    39,719,141.40x = 921,038,499,236,032.50
  5. Step 5: Solve for x
    x = 921,038,499,236,032.50/39,719,141.40
  6. Step 6: Final answer
    x = 23,188,781.70

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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.