Home / 21,857,557.20-32,786,335.80-21,227,701.20

Finding the Fourth Proportional to 21,857,557.20, 32,786,335.80 and 21,227,701.20

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Solution

The fourth proportional to 21,857,557.20, 32,786,335.80 and 21,227,701.20 is: 31,841,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,857,557.20 : 32,786,335.80 = 21,227,701.20 : x
  2. Step 2: Convert to fraction form
    21,857,557.20/32,786,335.80 = 21,227,701.20/x
  3. Step 3: Cross multiply
    21,857,557.20x = 32,786,335.80 × 21,227,701.20
  4. Step 4: Simplify right side
    21,857,557.20x = 695,978,539,805,263
  5. Step 5: Solve for x
    x = 695,978,539,805,263/21,857,557.20
  6. Step 6: Final answer
    x = 31,841,551.80

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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.