Home / 10,552,515.60-15,827,218.20-2,980,246.80

Finding the Fourth Proportional to 10,552,515.60, 15,827,218.20 and 2,980,246.80

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Solution

The fourth proportional to 10,552,515.60, 15,827,218.20 and 2,980,246.80 is: 4,469,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552,515.60 : 15,827,218.20 = 2,980,246.80 : x
  2. Step 2: Convert to fraction form
    10,552,515.60/15,827,218.20 = 2,980,246.80/x
  3. Step 3: Cross multiply
    10,552,515.60x = 15,827,218.20 × 2,980,246.80
  4. Step 4: Simplify right side
    10,552,515.60x = 47,169,016,393,451.76
  5. Step 5: Solve for x
    x = 47,169,016,393,451.76/10,552,515.60
  6. Step 6: Final answer
    x = 4,469,930.98

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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.