Home / 10,388,654.40-15,582,981.60-6,562,279.20

Finding the Fourth Proportional to 10,388,654.40, 15,582,981.60 and 6,562,279.20

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Solution

The fourth proportional to 10,388,654.40, 15,582,981.60 and 6,562,279.20 is: 9,843,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,654.40 : 15,582,981.60 = 6,562,279.20 : x
  2. Step 2: Convert to fraction form
    10,388,654.40/15,582,981.60 = 6,562,279.20/x
  3. Step 3: Cross multiply
    10,388,654.40x = 15,582,981.60 × 6,562,279.20
  4. Step 4: Simplify right side
    10,388,654.40x = 102,259,876,027,662.72
  5. Step 5: Solve for x
    x = 102,259,876,027,662.72/10,388,654.40
  6. Step 6: Final answer
    x = 9,843,418.80

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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.