Home / 13,554,882.13-18,705,212.69-7,359,787.05

Finding the Fourth Proportional to 13,554,882.13, 18,705,212.69 and 7,359,787.05

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Solution

The fourth proportional to 13,554,882.13, 18,705,212.69 and 7,359,787.05 is: 10,156,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,882.13 : 18,705,212.69 = 7,359,787.05 : x
  2. Step 2: Convert to fraction form
    13,554,882.13/18,705,212.69 = 7,359,787.05/x
  3. Step 3: Cross multiply
    13,554,882.13x = 18,705,212.69 × 7,359,787.05
  4. Step 4: Simplify right side
    13,554,882.13x = 137,666,382,123,357.67
  5. Step 5: Solve for x
    x = 137,666,382,123,357.67/13,554,882.13
  6. Step 6: Final answer
    x = 10,156,221.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.