Home / 21,559,971.20-32,355,703.20-15,182,679.20

Finding the Fourth Proportional to 21,559,971.20, 32,355,703.20 and 15,182,679.20

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Solution

The fourth proportional to 21,559,971.20, 32,355,703.20 and 15,182,679.20 is: 22,785,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,971.20 : 32,355,703.20 = 15,182,679.20 : x
  2. Step 2: Convert to fraction form
    21,559,971.20/32,355,703.20 = 15,182,679.20/x
  3. Step 3: Cross multiply
    21,559,971.20x = 32,355,703.20 × 15,182,679.20
  4. Step 4: Simplify right side
    21,559,971.20x = 491,246,261,976,013.38
  5. Step 5: Solve for x
    x = 491,246,261,976,013.38/21,559,971.20
  6. Step 6: Final answer
    x = 22,785,107.52

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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.