Home / 18,227,712.70-27,341,569.05-7,441,428.70

Finding the Fourth Proportional to 18,227,712.70, 27,341,569.05 and 7,441,428.70

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Solution

The fourth proportional to 18,227,712.70, 27,341,569.05 and 7,441,428.70 is: 11,162,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227,712.70 : 27,341,569.05 = 7,441,428.70 : x
  2. Step 2: Convert to fraction form
    18,227,712.70/27,341,569.05 = 7,441,428.70/x
  3. Step 3: Cross multiply
    18,227,712.70x = 27,341,569.05 × 7,441,428.70
  4. Step 4: Simplify right side
    18,227,712.70x = 203,460,336,631,701.75
  5. Step 5: Solve for x
    x = 203,460,336,631,701.75/18,227,712.70
  6. Step 6: Final answer
    x = 11,162,143.05

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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.