Home / 8,192,985.60-12,290,061.60-2,513,200.80

Finding the Fourth Proportional to 8,192,985.60, 12,290,061.60 and 2,513,200.80

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Solution

The fourth proportional to 8,192,985.60, 12,290,061.60 and 2,513,200.80 is: 3,769,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192,985.60 : 12,290,061.60 = 2,513,200.80 : x
  2. Step 2: Convert to fraction form
    8,192,985.60/12,290,061.60 = 2,513,200.80/x
  3. Step 3: Cross multiply
    8,192,985.60x = 12,290,061.60 × 2,513,200.80
  4. Step 4: Simplify right side
    8,192,985.60x = 30,887,392,645,169.28
  5. Step 5: Solve for x
    x = 30,887,392,645,169.28/8,192,985.60
  6. Step 6: Final answer
    x = 3,769,980.10

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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.