Home / 31,865,729.20-47,798,520.88-13,658,118.28

Finding the Fourth Proportional to 31,865,729.20, 47,798,520.88 and 13,658,118.28

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Solution

The fourth proportional to 31,865,729.20, 47,798,520.88 and 13,658,118.28 is: 20,487,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865,729.20 : 47,798,520.88 = 13,658,118.28 : x
  2. Step 2: Convert to fraction form
    31,865,729.20/47,798,520.88 = 13,658,118.28/x
  3. Step 3: Cross multiply
    31,865,729.20x = 47,798,520.88 × 13,658,118.28
  4. Step 4: Simplify right side
    31,865,729.20x = 652,837,851,788,089.75
  5. Step 5: Solve for x
    x = 652,837,851,788,089.75/31,865,729.20
  6. Step 6: Final answer
    x = 20,487,146.17

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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.