Home / 12,896,136.60-19,344,204.90-9,117,000.60

Finding the Fourth Proportional to 12,896,136.60, 19,344,204.90 and 9,117,000.60

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Solution

The fourth proportional to 12,896,136.60, 19,344,204.90 and 9,117,000.60 is: 13,675,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,136.60 : 19,344,204.90 = 9,117,000.60 : x
  2. Step 2: Convert to fraction form
    12,896,136.60/19,344,204.90 = 9,117,000.60/x
  3. Step 3: Cross multiply
    12,896,136.60x = 19,344,204.90 × 9,117,000.60
  4. Step 4: Simplify right side
    12,896,136.60x = 176,361,127,679,822.91
  5. Step 5: Solve for x
    x = 176,361,127,679,822.91/12,896,136.60
  6. Step 6: Final answer
    x = 13,675,500.90

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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.