Home / 15,276,114.18-21,080,396.11-8,661,147.76

Finding the Fourth Proportional to 15,276,114.18, 21,080,396.11 and 8,661,147.76

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Solution

The fourth proportional to 15,276,114.18, 21,080,396.11 and 8,661,147.76 is: 11,952,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,114.18 : 21,080,396.11 = 8,661,147.76 : x
  2. Step 2: Convert to fraction form
    15,276,114.18/21,080,396.11 = 8,661,147.76/x
  3. Step 3: Cross multiply
    15,276,114.18x = 21,080,396.11 × 8,661,147.76
  4. Step 4: Simplify right side
    15,276,114.18x = 182,580,425,536,497.19
  5. Step 5: Solve for x
    x = 182,580,425,536,497.19/15,276,114.18
  6. Step 6: Final answer
    x = 11,952,020.22

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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.