Home / 10,620,115.80-15,930,070.02-3,047,121.24

Finding the Fourth Proportional to 10,620,115.80, 15,930,070.02 and 3,047,121.24

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Solution

The fourth proportional to 10,620,115.80, 15,930,070.02 and 3,047,121.24 is: 4,570,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620,115.80 : 15,930,070.02 = 3,047,121.24 : x
  2. Step 2: Convert to fraction form
    10,620,115.80/15,930,070.02 = 3,047,121.24/x
  3. Step 3: Cross multiply
    10,620,115.80x = 15,930,070.02 × 3,047,121.24
  4. Step 4: Simplify right side
    10,620,115.80x = 48,540,854,712,629.23
  5. Step 5: Solve for x
    x = 48,540,854,712,629.23/10,620,115.80
  6. Step 6: Final answer
    x = 4,570,652.11

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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.