Home / 20,156,909.76-30,221,188.56-9,362,750.40

Finding the Fourth Proportional to 20,156,909.76, 30,221,188.56 and 9,362,750.40

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Solution

The fourth proportional to 20,156,909.76, 30,221,188.56 and 9,362,750.40 is: 14,037,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,909.76 : 30,221,188.56 = 9,362,750.40 : x
  2. Step 2: Convert to fraction form
    20,156,909.76/30,221,188.56 = 9,362,750.40/x
  3. Step 3: Cross multiply
    20,156,909.76x = 30,221,188.56 × 9,362,750.40
  4. Step 4: Simplify right side
    20,156,909.76x = 282,953,445,278,615.44
  5. Step 5: Solve for x
    x = 282,953,445,278,615.44/20,156,909.76
  6. Step 6: Final answer
    x = 14,037,540.91

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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.