Home / 36,708,728.20-55,061,342.70-12,445,275.40

Finding the Fourth Proportional to 36,708,728.20, 55,061,342.70 and 12,445,275.40

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Solution

The fourth proportional to 36,708,728.20, 55,061,342.70 and 12,445,275.40 is: 18,667,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708,728.20 : 55,061,342.70 = 12,445,275.40 : x
  2. Step 2: Convert to fraction form
    36,708,728.20/55,061,342.70 = 12,445,275.40/x
  3. Step 3: Cross multiply
    36,708,728.20x = 55,061,342.70 × 12,445,275.40
  4. Step 4: Simplify right side
    36,708,728.20x = 685,253,573,795,279.62
  5. Step 5: Solve for x
    x = 685,253,573,795,279.62/36,708,728.20
  6. Step 6: Final answer
    x = 18,667,319.94

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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.