Home / 9,912,878.28-13,680,007.68-5,562,286.26

Finding the Fourth Proportional to 9,912,878.28, 13,680,007.68 and 5,562,286.26

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Solution

The fourth proportional to 9,912,878.28, 13,680,007.68 and 5,562,286.26 is: 7,676,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912,878.28 : 13,680,007.68 = 5,562,286.26 : x
  2. Step 2: Convert to fraction form
    9,912,878.28/13,680,007.68 = 5,562,286.26/x
  3. Step 3: Cross multiply
    9,912,878.28x = 13,680,007.68 × 5,562,286.26
  4. Step 4: Simplify right side
    9,912,878.28x = 76,092,118,755,158.47
  5. Step 5: Solve for x
    x = 76,092,118,755,158.47/9,912,878.28
  6. Step 6: Final answer
    x = 7,676,087.27

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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.