Home / 18,538,217.04-27,814,999.50-10,008,521.76

Finding the Fourth Proportional to 18,538,217.04, 27,814,999.50 and 10,008,521.76

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Solution

The fourth proportional to 18,538,217.04, 27,814,999.50 and 10,008,521.76 is: 15,016,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,217.04 : 27,814,999.50 = 10,008,521.76 : x
  2. Step 2: Convert to fraction form
    18,538,217.04/27,814,999.50 = 10,008,521.76/x
  3. Step 3: Cross multiply
    18,538,217.04x = 27,814,999.50 × 10,008,521.76
  4. Step 4: Simplify right side
    18,538,217.04x = 278,387,027,750,139.12
  5. Step 5: Solve for x
    x = 278,387,027,750,139.12/18,538,217.04
  6. Step 6: Final answer
    x = 15,016,925.69

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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.