Home / 12,881,330.40-19,321,995.60-12,251,474.40

Finding the Fourth Proportional to 12,881,330.40, 19,321,995.60 and 12,251,474.40

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Solution

The fourth proportional to 12,881,330.40, 19,321,995.60 and 12,251,474.40 is: 18,377,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,330.40 : 19,321,995.60 = 12,251,474.40 : x
  2. Step 2: Convert to fraction form
    12,881,330.40/19,321,995.60 = 12,251,474.40/x
  3. Step 3: Cross multiply
    12,881,330.40x = 19,321,995.60 × 12,251,474.40
  4. Step 4: Simplify right side
    12,881,330.40x = 236,722,934,450,312.66
  5. Step 5: Solve for x
    x = 236,722,934,450,312.66/12,881,330.40
  6. Step 6: Final answer
    x = 18,377,211.60

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Double scale
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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.