Home / 21,581,529.20-32,372,293.80-15,558,531.20

Finding the Fourth Proportional to 21,581,529.20, 32,372,293.80 and 15,558,531.20

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Solution

The fourth proportional to 21,581,529.20, 32,372,293.80 and 15,558,531.20 is: 23,337,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,529.20 : 32,372,293.80 = 15,558,531.20 : x
  2. Step 2: Convert to fraction form
    21,581,529.20/32,372,293.80 = 15,558,531.20/x
  3. Step 3: Cross multiply
    21,581,529.20x = 32,372,293.80 × 15,558,531.20
  4. Step 4: Simplify right side
    21,581,529.20x = 503,665,343,102,866.56
  5. Step 5: Solve for x
    x = 503,665,343,102,866.56/21,581,529.20
  6. Step 6: Final answer
    x = 23,337,796.80

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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.