Home / 8,936,132-12,331,916.88-4,861,780.64

Finding the Fourth Proportional to 8,936,132, 12,331,916.88 and 4,861,780.64

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Solution

The fourth proportional to 8,936,132, 12,331,916.88 and 4,861,780.64 is: 6,709,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936,132 : 12,331,916.88 = 4,861,780.64 : x
  2. Step 2: Convert to fraction form
    8,936,132/12,331,916.88 = 4,861,780.64/x
  3. Step 3: Cross multiply
    8,936,132x = 12,331,916.88 × 4,861,780.64
  4. Step 4: Simplify right side
    8,936,132x = 59,955,074,741,273.20
  5. Step 5: Solve for x
    x = 59,955,074,741,273.20/8,936,132
  6. Step 6: Final answer
    x = 6,709,287.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.