Home / 10,445,857.76-15,685,167.28-8,847,576.32

Finding the Fourth Proportional to 10,445,857.76, 15,685,167.28 and 8,847,576.32

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Solution

The fourth proportional to 10,445,857.76, 15,685,167.28 and 8,847,576.32 is: 13,285,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445,857.76 : 15,685,167.28 = 8,847,576.32 : x
  2. Step 2: Convert to fraction form
    10,445,857.76/15,685,167.28 = 8,847,576.32/x
  3. Step 3: Cross multiply
    10,445,857.76x = 15,685,167.28 × 8,847,576.32
  4. Step 4: Simplify right side
    10,445,857.76x = 138,775,714,601,766.81
  5. Step 5: Solve for x
    x = 138,775,714,601,766.81/10,445,857.76
  6. Step 6: Final answer
    x = 13,285,238.78

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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.