Home / 17,739,013.20-26,608,519.80-6,377,985.60

Finding the Fourth Proportional to 17,739,013.20, 26,608,519.80 and 6,377,985.60

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Solution

The fourth proportional to 17,739,013.20, 26,608,519.80 and 6,377,985.60 is: 9,566,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739,013.20 : 26,608,519.80 = 6,377,985.60 : x
  2. Step 2: Convert to fraction form
    17,739,013.20/26,608,519.80 = 6,377,985.60/x
  3. Step 3: Cross multiply
    17,739,013.20x = 26,608,519.80 × 6,377,985.60
  4. Step 4: Simplify right side
    17,739,013.20x = 169,708,756,121,714.88
  5. Step 5: Solve for x
    x = 169,708,756,121,714.88/17,739,013.20
  6. Step 6: Final answer
    x = 9,566,978.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.