Home / 18,441,679.28-27,681,997.80-10,361,559.92

Finding the Fourth Proportional to 18,441,679.28, 27,681,997.80 and 10,361,559.92

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Solution

The fourth proportional to 18,441,679.28, 27,681,997.80 and 10,361,559.92 is: 15,553,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,679.28 : 27,681,997.80 = 10,361,559.92 : x
  2. Step 2: Convert to fraction form
    18,441,679.28/27,681,997.80 = 10,361,559.92/x
  3. Step 3: Cross multiply
    18,441,679.28x = 27,681,997.80 × 10,361,559.92
  4. Step 4: Simplify right side
    18,441,679.28x = 286,828,678,910,008.19
  5. Step 5: Solve for x
    x = 286,828,678,910,008.19/18,441,679.28
  6. Step 6: Final answer
    x = 15,553,284.20

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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.