Home / 7,617,721.05-11,419,855.45-5,828,591.71

Finding the Fourth Proportional to 7,617,721.05, 11,419,855.45 and 5,828,591.71

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Solution

The fourth proportional to 7,617,721.05, 11,419,855.45 and 5,828,591.71 is: 8,737,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617,721.05 : 11,419,855.45 = 5,828,591.71 : x
  2. Step 2: Convert to fraction form
    7,617,721.05/11,419,855.45 = 5,828,591.71/x
  3. Step 3: Cross multiply
    7,617,721.05x = 11,419,855.45 × 5,828,591.71
  4. Step 4: Simplify right side
    7,617,721.05x = 66,561,674,827,893.78
  5. Step 5: Solve for x
    x = 66,561,674,827,893.78/7,617,721.05
  6. Step 6: Final answer
    x = 8,737,741.17

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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.