Home / 21,233,620.87-31,840,368.13-7,395,753.55

Finding the Fourth Proportional to 21,233,620.87, 31,840,368.13 and 7,395,753.55

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Solution

The fourth proportional to 21,233,620.87, 31,840,368.13 and 7,395,753.55 is: 11,090,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233,620.87 : 31,840,368.13 = 7,395,753.55 : x
  2. Step 2: Convert to fraction form
    21,233,620.87/31,840,368.13 = 7,395,753.55/x
  3. Step 3: Cross multiply
    21,233,620.87x = 31,840,368.13 × 7,395,753.55
  4. Step 4: Simplify right side
    21,233,620.87x = 235,483,515,723,231.69
  5. Step 5: Solve for x
    x = 235,483,515,723,231.69/21,233,620.87
  6. Step 6: Final answer
    x = 11,090,125.29

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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.