Home / 9,838,972.59-13,578,390.41-5,428,676.63

Finding the Fourth Proportional to 9,838,972.59, 13,578,390.41 and 5,428,676.63

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Solution

The fourth proportional to 9,838,972.59, 13,578,390.41 and 5,428,676.63 is: 7,491,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838,972.59 : 13,578,390.41 = 5,428,676.63 : x
  2. Step 2: Convert to fraction form
    9,838,972.59/13,578,390.41 = 5,428,676.63/x
  3. Step 3: Cross multiply
    9,838,972.59x = 13,578,390.41 × 5,428,676.63
  4. Step 4: Simplify right side
    9,838,972.59x = 73,712,690,596,747.78
  5. Step 5: Solve for x
    x = 73,712,690,596,747.78/9,838,972.59
  6. Step 6: Final answer
    x = 7,491,909.34

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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.