Home / 7,951,142.40-11,926,713.60-2,902,617.60

Finding the Fourth Proportional to 7,951,142.40, 11,926,713.60 and 2,902,617.60

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Solution

The fourth proportional to 7,951,142.40, 11,926,713.60 and 2,902,617.60 is: 4,353,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951,142.40 : 11,926,713.60 = 2,902,617.60 : x
  2. Step 2: Convert to fraction form
    7,951,142.40/11,926,713.60 = 2,902,617.60/x
  3. Step 3: Cross multiply
    7,951,142.40x = 11,926,713.60 × 2,902,617.60
  4. Step 4: Simplify right side
    7,951,142.40x = 34,618,688,805,519.36
  5. Step 5: Solve for x
    x = 34,618,688,805,519.36/7,951,142.40
  6. Step 6: Final answer
    x = 4,353,926.40

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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.