Home / 9,838,961.94-13,578,375.68-5,428,665.94

Finding the Fourth Proportional to 9,838,961.94, 13,578,375.68 and 5,428,665.94

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Solution

The fourth proportional to 9,838,961.94, 13,578,375.68 and 5,428,665.94 is: 7,491,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838,961.94 : 13,578,375.68 = 5,428,665.94 : x
  2. Step 2: Convert to fraction form
    9,838,961.94/13,578,375.68 = 5,428,665.94/x
  3. Step 3: Cross multiply
    9,838,961.94x = 13,578,375.68 × 5,428,665.94
  4. Step 4: Simplify right side
    9,838,961.94x = 73,712,465,574,540.34
  5. Step 5: Solve for x
    x = 73,712,465,574,540.34/9,838,961.94
  6. Step 6: Final answer
    x = 7,491,894.57

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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.