Home / 18,321,812.80-27,482,719.20-4,860,001.60

Finding the Fourth Proportional to 18,321,812.80, 27,482,719.20 and 4,860,001.60

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Solution

The fourth proportional to 18,321,812.80, 27,482,719.20 and 4,860,001.60 is: 7,290,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,812.80 : 27,482,719.20 = 4,860,001.60 : x
  2. Step 2: Convert to fraction form
    18,321,812.80/27,482,719.20 = 4,860,001.60/x
  3. Step 3: Cross multiply
    18,321,812.80x = 27,482,719.20 × 4,860,001.60
  4. Step 4: Simplify right side
    18,321,812.80x = 133,566,059,284,350.70
  5. Step 5: Solve for x
    x = 133,566,059,284,350.70/18,321,812.80
  6. Step 6: Final answer
    x = 7,290,002.40

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1.5x scale

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.