Home / 15,144,668.20-20,897,174.82-8,948,852.20

Finding the Fourth Proportional to 15,144,668.20, 20,897,174.82 and 8,948,852.20

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Solution

The fourth proportional to 15,144,668.20, 20,897,174.82 and 8,948,852.20 is: 12,347,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144,668.20 : 20,897,174.82 = 8,948,852.20 : x
  2. Step 2: Convert to fraction form
    15,144,668.20/20,897,174.82 = 8,948,852.20/x
  3. Step 3: Cross multiply
    15,144,668.20x = 20,897,174.82 × 8,948,852.20
  4. Step 4: Simplify right side
    15,144,668.20x = 187,005,728,861,741.59
  5. Step 5: Solve for x
    x = 187,005,728,861,741.59/15,144,668.20
  6. Step 6: Final answer
    x = 12,347,958.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.