Home / 10,031,979.60-13,844,213.10-5,448,333.78

Finding the Fourth Proportional to 10,031,979.60, 13,844,213.10 and 5,448,333.78

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Solution

The fourth proportional to 10,031,979.60, 13,844,213.10 and 5,448,333.78 is: 7,518,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031,979.60 : 13,844,213.10 = 5,448,333.78 : x
  2. Step 2: Convert to fraction form
    10,031,979.60/13,844,213.10 = 5,448,333.78/x
  3. Step 3: Cross multiply
    10,031,979.60x = 13,844,213.10 × 5,448,333.78
  4. Step 4: Simplify right side
    10,031,979.60x = 75,427,893,890,248.52
  5. Step 5: Solve for x
    x = 75,427,893,890,248.52/10,031,979.60
  6. Step 6: Final answer
    x = 7,518,744.74

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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.