Home / 11,681,347.20-17,522,020.80-8,280,124.80

Finding the Fourth Proportional to 11,681,347.20, 17,522,020.80 and 8,280,124.80

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Solution

The fourth proportional to 11,681,347.20, 17,522,020.80 and 8,280,124.80 is: 12,420,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681,347.20 : 17,522,020.80 = 8,280,124.80 : x
  2. Step 2: Convert to fraction form
    11,681,347.20/17,522,020.80 = 8,280,124.80/x
  3. Step 3: Cross multiply
    11,681,347.20x = 17,522,020.80 × 8,280,124.80
  4. Step 4: Simplify right side
    11,681,347.20x = 145,084,518,972,195.84
  5. Step 5: Solve for x
    x = 145,084,518,972,195.84/11,681,347.20
  6. Step 6: Final answer
    x = 12,420,187.20

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