Home / 25,438,031.20-38,101,059.60-15,323,010.40

Finding the Fourth Proportional to 25,438,031.20, 38,101,059.60 and 15,323,010.40

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Solution

The fourth proportional to 25,438,031.20, 38,101,059.60 and 15,323,010.40 is: 22,950,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438,031.20 : 38,101,059.60 = 15,323,010.40 : x
  2. Step 2: Convert to fraction form
    25,438,031.20/38,101,059.60 = 15,323,010.40/x
  3. Step 3: Cross multiply
    25,438,031.20x = 38,101,059.60 × 15,323,010.40
  4. Step 4: Simplify right side
    25,438,031.20x = 583,822,932,501,819.88
  5. Step 5: Solve for x
    x = 583,822,932,501,819.88/25,438,031.20
  6. Step 6: Final answer
    x = 22,950,790.80

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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.