Home / 15,076,219.29-22,621,801.79-5,978,121.90

Finding the Fourth Proportional to 15,076,219.29, 22,621,801.79 and 5,978,121.90

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Solution

The fourth proportional to 15,076,219.29, 22,621,801.79 and 5,978,121.90 is: 8,970,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076,219.29 : 22,621,801.79 = 5,978,121.90 : x
  2. Step 2: Convert to fraction form
    15,076,219.29/22,621,801.79 = 5,978,121.90/x
  3. Step 3: Cross multiply
    15,076,219.29x = 22,621,801.79 × 5,978,121.90
  4. Step 4: Simplify right side
    15,076,219.29x = 135,235,888,698,258.20
  5. Step 5: Solve for x
    x = 135,235,888,698,258.20/15,076,219.29
  6. Step 6: Final answer
    x = 8,970,146.04

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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.