Home / 13,752,443.20-20,613,598.80-6,918,116.80

Finding the Fourth Proportional to 13,752,443.20, 20,613,598.80 and 6,918,116.80

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Solution

The fourth proportional to 13,752,443.20, 20,613,598.80 and 6,918,116.80 is: 10,369,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,443.20 : 20,613,598.80 = 6,918,116.80 : x
  2. Step 2: Convert to fraction form
    13,752,443.20/20,613,598.80 = 6,918,116.80/x
  3. Step 3: Cross multiply
    13,752,443.20x = 20,613,598.80 × 6,918,116.80
  4. Step 4: Simplify right side
    13,752,443.20x = 142,607,284,166,739.84
  5. Step 5: Solve for x
    x = 142,607,284,166,739.84/13,752,443.20
  6. Step 6: Final answer
    x = 10,369,596.30

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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.