Home / 15,276,241.98-21,080,572.20-8,661,275.46

Finding the Fourth Proportional to 15,276,241.98, 21,080,572.20 and 8,661,275.46

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Solution

The fourth proportional to 15,276,241.98, 21,080,572.20 and 8,661,275.46 is: 11,952,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,241.98 : 21,080,572.20 = 8,661,275.46 : x
  2. Step 2: Convert to fraction form
    15,276,241.98/21,080,572.20 = 8,661,275.46/x
  3. Step 3: Cross multiply
    15,276,241.98x = 21,080,572.20 × 8,661,275.46
  4. Step 4: Simplify right side
    15,276,241.98x = 182,584,642,678,618.22
  5. Step 5: Solve for x
    x = 182,584,642,678,618.22/15,276,241.98
  6. Step 6: Final answer
    x = 11,952,196.29

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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.