Home / 8,081,681.28-12,109,200.48-7,248,301.44

Finding the Fourth Proportional to 8,081,681.28, 12,109,200.48 and 7,248,301.44

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Solution

The fourth proportional to 8,081,681.28, 12,109,200.48 and 7,248,301.44 is: 10,860,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081,681.28 : 12,109,200.48 = 7,248,301.44 : x
  2. Step 2: Convert to fraction form
    8,081,681.28/12,109,200.48 = 7,248,301.44/x
  3. Step 3: Cross multiply
    8,081,681.28x = 12,109,200.48 × 7,248,301.44
  4. Step 4: Simplify right side
    8,081,681.28x = 87,771,135,276,432.70
  5. Step 5: Solve for x
    x = 87,771,135,276,432.70/8,081,681.28
  6. Step 6: Final answer
    x = 10,860,504.42

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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.