Home / 18,151,901.70-27,227,196.45-7,368,898.20

Finding the Fourth Proportional to 18,151,901.70, 27,227,196.45 and 7,368,898.20

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Solution

The fourth proportional to 18,151,901.70, 27,227,196.45 and 7,368,898.20 is: 11,053,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151,901.70 : 27,227,196.45 = 7,368,898.20 : x
  2. Step 2: Convert to fraction form
    18,151,901.70/27,227,196.45 = 7,368,898.20/x
  3. Step 3: Cross multiply
    18,151,901.70x = 27,227,196.45 × 7,368,898.20
  4. Step 4: Simplify right side
    18,151,901.70x = 200,634,438,911,451.38
  5. Step 5: Solve for x
    x = 200,634,438,911,451.38/18,151,901.70
  6. Step 6: Final answer
    x = 11,053,080.95

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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.