Home / 31,796,139.60-47,696,801.40-13,600,472.40

Finding the Fourth Proportional to 31,796,139.60, 47,696,801.40 and 13,600,472.40

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Solution

The fourth proportional to 31,796,139.60, 47,696,801.40 and 13,600,472.40 is: 20,401,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796,139.60 : 47,696,801.40 = 13,600,472.40 : x
  2. Step 2: Convert to fraction form
    31,796,139.60/47,696,801.40 = 13,600,472.40/x
  3. Step 3: Cross multiply
    31,796,139.60x = 47,696,801.40 × 13,600,472.40
  4. Step 4: Simplify right side
    31,796,139.60x = 648,699,031,008,981.38
  5. Step 5: Solve for x
    x = 648,699,031,008,981.38/31,796,139.60
  6. Step 6: Final answer
    x = 20,401,817.30

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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.