Home / 7,997,588.72-11,996,724.53-3,140,947.79

Finding the Fourth Proportional to 7,997,588.72, 11,996,724.53 and 3,140,947.79

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Solution

The fourth proportional to 7,997,588.72, 11,996,724.53 and 3,140,947.79 is: 4,711,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997,588.72 : 11,996,724.53 = 3,140,947.79 : x
  2. Step 2: Convert to fraction form
    7,997,588.72/11,996,724.53 = 3,140,947.79/x
  3. Step 3: Cross multiply
    7,997,588.72x = 11,996,724.53 × 3,140,947.79
  4. Step 4: Simplify right side
    7,997,588.72x = 37,681,085,399,742.29
  5. Step 5: Solve for x
    x = 37,681,085,399,742.29/7,997,588.72
  6. Step 6: Final answer
    x = 4,711,555.78

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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.