Home / 31,974,511-47,962,174.76-9,255,430.12

Finding the Fourth Proportional to 31,974,511, 47,962,174.76 and 9,255,430.12

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Solution

The fourth proportional to 31,974,511, 47,962,174.76 and 9,255,430.12 is: 13,883,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974,511 : 47,962,174.76 = 9,255,430.12 : x
  2. Step 2: Convert to fraction form
    31,974,511/47,962,174.76 = 9,255,430.12/x
  3. Step 3: Cross multiply
    31,974,511x = 47,962,174.76 × 9,255,430.12
  4. Step 4: Simplify right side
    31,974,511x = 443,910,556,894,407.69
  5. Step 5: Solve for x
    x = 443,910,556,894,407.69/31,974,511
  6. Step 6: Final answer
    x = 13,883,263.36

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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.