Home / 13,752,607.20-20,613,844.80-6,918,280.80

Finding the Fourth Proportional to 13,752,607.20, 20,613,844.80 and 6,918,280.80

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Solution

The fourth proportional to 13,752,607.20, 20,613,844.80 and 6,918,280.80 is: 10,369,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,607.20 : 20,613,844.80 = 6,918,280.80 : x
  2. Step 2: Convert to fraction form
    13,752,607.20/20,613,844.80 = 6,918,280.80/x
  3. Step 3: Cross multiply
    13,752,607.20x = 20,613,844.80 × 6,918,280.80
  4. Step 4: Simplify right side
    13,752,607.20x = 142,612,366,694,019.84
  5. Step 5: Solve for x
    x = 142,612,366,694,019.84/13,752,607.20
  6. Step 6: Final answer
    x = 10,369,842.21

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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.