Home / 21,127,627.68-31,695,990.48-6,554,251.86

Finding the Fourth Proportional to 21,127,627.68, 31,695,990.48 and 6,554,251.86

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Solution

The fourth proportional to 21,127,627.68, 31,695,990.48 and 6,554,251.86 is: 9,832,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,127,627.68 : 31,695,990.48 = 6,554,251.86 : x
  2. Step 2: Convert to fraction form
    21,127,627.68/31,695,990.48 = 6,554,251.86/x
  3. Step 3: Cross multiply
    21,127,627.68x = 31,695,990.48 × 6,554,251.86
  4. Step 4: Simplify right side
    21,127,627.68x = 207,743,504,558,082.31
  5. Step 5: Solve for x
    x = 207,743,504,558,082.31/21,127,627.68
  6. Step 6: Final answer
    x = 9,832,788.98

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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.