Home / 42,571,862.20-63,866,087.70-17,008,521.40

Finding the Fourth Proportional to 42,571,862.20, 63,866,087.70 and 17,008,521.40

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Solution

The fourth proportional to 42,571,862.20, 63,866,087.70 and 17,008,521.40 is: 25,516,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,571,862.20 : 63,866,087.70 = 17,008,521.40 : x
  2. Step 2: Convert to fraction form
    42,571,862.20/63,866,087.70 = 17,008,521.40/x
  3. Step 3: Cross multiply
    42,571,862.20x = 63,866,087.70 × 17,008,521.40
  4. Step 4: Simplify right side
    42,571,862.20x = 1,086,267,719,379,726.75
  5. Step 5: Solve for x
    x = 1,086,267,719,379,726.75/42,571,862.20
  6. Step 6: Final answer
    x = 25,516,095.92

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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.