Home / 31,946,897.40-47,887,686.90-15,747,934.20

Finding the Fourth Proportional to 31,946,897.40, 47,887,686.90 and 15,747,934.20

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Solution

The fourth proportional to 31,946,897.40, 47,887,686.90 and 15,747,934.20 is: 23,605,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946,897.40 : 47,887,686.90 = 15,747,934.20 : x
  2. Step 2: Convert to fraction form
    31,946,897.40/47,887,686.90 = 15,747,934.20/x
  3. Step 3: Cross multiply
    31,946,897.40x = 47,887,686.90 × 15,747,934.20
  4. Step 4: Simplify right side
    31,946,897.40x = 754,132,142,291,401.88
  5. Step 5: Solve for x
    x = 754,132,142,291,401.88/31,946,897.40
  6. Step 6: Final answer
    x = 23,605,802.24

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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.