Home / 12,452,593.90-18,678,890.85-10,326,829.90

Finding the Fourth Proportional to 12,452,593.90, 18,678,890.85 and 10,326,829.90

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Solution

The fourth proportional to 12,452,593.90, 18,678,890.85 and 10,326,829.90 is: 15,490,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,593.90 : 18,678,890.85 = 10,326,829.90 : x
  2. Step 2: Convert to fraction form
    12,452,593.90/18,678,890.85 = 10,326,829.90/x
  3. Step 3: Cross multiply
    12,452,593.90x = 18,678,890.85 × 10,326,829.90
  4. Step 4: Simplify right side
    12,452,593.90x = 192,893,728,528,616.44
  5. Step 5: Solve for x
    x = 192,893,728,528,616.44/12,452,593.90
  6. Step 6: Final answer
    x = 15,490,244.85

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Similar ratio
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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.