Home / 12,103,482.80-18,155,224.20-4,427,112.80

Finding the Fourth Proportional to 12,103,482.80, 18,155,224.20 and 4,427,112.80

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Solution

The fourth proportional to 12,103,482.80, 18,155,224.20 and 4,427,112.80 is: 6,640,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,482.80 : 18,155,224.20 = 4,427,112.80 : x
  2. Step 2: Convert to fraction form
    12,103,482.80/18,155,224.20 = 4,427,112.80/x
  3. Step 3: Cross multiply
    12,103,482.80x = 18,155,224.20 × 4,427,112.80
  4. Step 4: Simplify right side
    12,103,482.80x = 80,375,225,442,689.75
  5. Step 5: Solve for x
    x = 80,375,225,442,689.75/12,103,482.80
  6. Step 6: Final answer
    x = 6,640,669.20

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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.