Home / 7,020,901.20-10,510,356.60-4,179,550.80

Finding the Fourth Proportional to 7,020,901.20, 10,510,356.60 and 4,179,550.80

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Solution

The fourth proportional to 7,020,901.20, 10,510,356.60 and 4,179,550.80 is: 6,256,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,901.20 : 10,510,356.60 = 4,179,550.80 : x
  2. Step 2: Convert to fraction form
    7,020,901.20/10,510,356.60 = 4,179,550.80/x
  3. Step 3: Cross multiply
    7,020,901.20x = 10,510,356.60 × 4,179,550.80
  4. Step 4: Simplify right side
    7,020,901.20x = 43,928,569,335,815.27
  5. Step 5: Solve for x
    x = 43,928,569,335,815.27/7,020,901.20
  6. Step 6: Final answer
    x = 6,256,827.73

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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.