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Finding the Fourth Proportional to 8,609,685.04, 12,914,527.56 and 7,501,138.48

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Solution

The fourth proportional to 8,609,685.04, 12,914,527.56 and 7,501,138.48 is: 11,251,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,685.04 : 12,914,527.56 = 7,501,138.48 : x
  2. Step 2: Convert to fraction form
    8,609,685.04/12,914,527.56 = 7,501,138.48/x
  3. Step 3: Cross multiply
    8,609,685.04x = 12,914,527.56 × 7,501,138.48
  4. Step 4: Simplify right side
    8,609,685.04x = 96,873,659,631,336.52
  5. Step 5: Solve for x
    x = 96,873,659,631,336.52/8,609,685.04
  6. Step 6: Final answer
    x = 11,251,707.72

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Double scale
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Similar ratio
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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.