Home / 15,013,422.60-20,714,549.43-8,816,488.39

Finding the Fourth Proportional to 15,013,422.60, 20,714,549.43 and 8,816,488.39

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Solution

The fourth proportional to 15,013,422.60, 20,714,549.43 and 8,816,488.39 is: 12,164,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,422.60 : 20,714,549.43 = 8,816,488.39 : x
  2. Step 2: Convert to fraction form
    15,013,422.60/20,714,549.43 = 8,816,488.39/x
  3. Step 3: Cross multiply
    15,013,422.60x = 20,714,549.43 × 8,816,488.39
  4. Step 4: Simplify right side
    15,013,422.60x = 182,629,584,553,676.12
  5. Step 5: Solve for x
    x = 182,629,584,553,676.12/15,013,422.60
  6. Step 6: Final answer
    x = 12,164,420.43

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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.