Home / 12,744,098.40-19,116,147.60-12,240,213.60

Finding the Fourth Proportional to 12,744,098.40, 19,116,147.60 and 12,240,213.60

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Solution

The fourth proportional to 12,744,098.40, 19,116,147.60 and 12,240,213.60 is: 18,360,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,098.40 : 19,116,147.60 = 12,240,213.60 : x
  2. Step 2: Convert to fraction form
    12,744,098.40/19,116,147.60 = 12,240,213.60/x
  3. Step 3: Cross multiply
    12,744,098.40x = 19,116,147.60 × 12,240,213.60
  4. Step 4: Simplify right side
    12,744,098.40x = 233,985,729,833,127.38
  5. Step 5: Solve for x
    x = 233,985,729,833,127.38/12,744,098.40
  6. Step 6: Final answer
    x = 18,360,320.40

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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.