Home / 15,076,218.29-22,621,800.29-5,978,120.90

Finding the Fourth Proportional to 15,076,218.29, 22,621,800.29 and 5,978,120.90

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Solution

The fourth proportional to 15,076,218.29, 22,621,800.29 and 5,978,120.90 is: 8,970,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076,218.29 : 22,621,800.29 = 5,978,120.90 : x
  2. Step 2: Convert to fraction form
    15,076,218.29/22,621,800.29 = 5,978,120.90/x
  3. Step 3: Cross multiply
    15,076,218.29x = 22,621,800.29 × 5,978,120.90
  4. Step 4: Simplify right side
    15,076,218.29x = 135,235,856,966,275.45
  5. Step 5: Solve for x
    x = 135,235,856,966,275.45/15,076,218.29
  6. Step 6: Final answer
    x = 8,970,144.53

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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.