Home / 20,711,182.47-31,061,790.68-6,334,374.82

Finding the Fourth Proportional to 20,711,182.47, 31,061,790.68 and 6,334,374.82

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Solution

The fourth proportional to 20,711,182.47, 31,061,790.68 and 6,334,374.82 is: 9,500,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,182.47 : 31,061,790.68 = 6,334,374.82 : x
  2. Step 2: Convert to fraction form
    20,711,182.47/31,061,790.68 = 6,334,374.82/x
  3. Step 3: Cross multiply
    20,711,182.47x = 31,061,790.68 × 6,334,374.82
  4. Step 4: Simplify right side
    20,711,182.47x = 196,757,024,654,774.88
  5. Step 5: Solve for x
    x = 196,757,024,654,774.88/20,711,182.47
  6. Step 6: Final answer
    x = 9,500,038.20

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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.