Home / 16,517,986.20-24,776,979.30-10,778,423.40

Finding the Fourth Proportional to 16,517,986.20, 24,776,979.30 and 10,778,423.40

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Solution

The fourth proportional to 16,517,986.20, 24,776,979.30 and 10,778,423.40 is: 16,167,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,517,986.20 : 24,776,979.30 = 10,778,423.40 : x
  2. Step 2: Convert to fraction form
    16,517,986.20/24,776,979.30 = 10,778,423.40/x
  3. Step 3: Cross multiply
    16,517,986.20x = 24,776,979.30 × 10,778,423.40
  4. Step 4: Simplify right side
    16,517,986.20x = 267,056,773,468,435.62
  5. Step 5: Solve for x
    x = 267,056,773,468,435.62/16,517,986.20
  6. Step 6: Final answer
    x = 16,167,635.10

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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.