Home / 16,129,128.90-24,193,693.35-12,147,816.90

Finding the Fourth Proportional to 16,129,128.90, 24,193,693.35 and 12,147,816.90

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Solution

The fourth proportional to 16,129,128.90, 24,193,693.35 and 12,147,816.90 is: 18,221,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129,128.90 : 24,193,693.35 = 12,147,816.90 : x
  2. Step 2: Convert to fraction form
    16,129,128.90/24,193,693.35 = 12,147,816.90/x
  3. Step 3: Cross multiply
    16,129,128.90x = 24,193,693.35 × 12,147,816.90
  4. Step 4: Simplify right side
    16,129,128.90x = 293,900,556,950,547.62
  5. Step 5: Solve for x
    x = 293,900,556,950,547.62/16,129,128.90
  6. Step 6: Final answer
    x = 18,221,725.35

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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.