Home / 13,468,291.60-20,190,627.60-8,079,086.20

Finding the Fourth Proportional to 13,468,291.60, 20,190,627.60 and 8,079,086.20

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Solution

The fourth proportional to 13,468,291.60, 20,190,627.60 and 8,079,086.20 is: 12,111,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,291.60 : 20,190,627.60 = 8,079,086.20 : x
  2. Step 2: Convert to fraction form
    13,468,291.60/20,190,627.60 = 8,079,086.20/x
  3. Step 3: Cross multiply
    13,468,291.60x = 20,190,627.60 × 8,079,086.20
  4. Step 4: Simplify right side
    13,468,291.60x = 163,121,820,812,499.12
  5. Step 5: Solve for x
    x = 163,121,820,812,499.12/13,468,291.60
  6. Step 6: Final answer
    x = 12,111,545.08

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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.