Home / 12,458,022.30-18,687,033.45-4,380,119.10

Finding the Fourth Proportional to 12,458,022.30, 18,687,033.45 and 4,380,119.10

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Solution

The fourth proportional to 12,458,022.30, 18,687,033.45 and 4,380,119.10 is: 6,570,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,022.30 : 18,687,033.45 = 4,380,119.10 : x
  2. Step 2: Convert to fraction form
    12,458,022.30/18,687,033.45 = 4,380,119.10/x
  3. Step 3: Cross multiply
    12,458,022.30x = 18,687,033.45 × 4,380,119.10
  4. Step 4: Simplify right side
    12,458,022.30x = 81,851,432,136,683.89
  5. Step 5: Solve for x
    x = 81,851,432,136,683.89/12,458,022.30
  6. Step 6: Final answer
    x = 6,570,178.65

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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.