Home / 21,033,750.38-31,552,432.00-7,385,723.69

Finding the Fourth Proportional to 21,033,750.38, 31,552,432.00 and 7,385,723.69

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Solution

The fourth proportional to 21,033,750.38, 31,552,432.00 and 7,385,723.69 is: 11,079,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,750.38 : 31,552,432.00 = 7,385,723.69 : x
  2. Step 2: Convert to fraction form
    21,033,750.38/31,552,432.00 = 7,385,723.69/x
  3. Step 3: Cross multiply
    21,033,750.38x = 31,552,432.00 × 7,385,723.69
  4. Step 4: Simplify right side
    21,033,750.38x = 233,037,544,323,287.59
  5. Step 5: Solve for x
    x = 233,037,544,323,287.59/21,033,750.38
  6. Step 6: Final answer
    x = 11,079,219.83

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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.