Home / 10,680,004.80-16,020,007.20-3,947,025.60

Finding the Fourth Proportional to 10,680,004.80, 16,020,007.20 and 3,947,025.60

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Solution

The fourth proportional to 10,680,004.80, 16,020,007.20 and 3,947,025.60 is: 5,920,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680,004.80 : 16,020,007.20 = 3,947,025.60 : x
  2. Step 2: Convert to fraction form
    10,680,004.80/16,020,007.20 = 3,947,025.60/x
  3. Step 3: Cross multiply
    10,680,004.80x = 16,020,007.20 × 3,947,025.60
  4. Step 4: Simplify right side
    10,680,004.80x = 63,231,378,530,584.32
  5. Step 5: Solve for x
    x = 63,231,378,530,584.32/10,680,004.80
  6. Step 6: Final answer
    x = 5,920,538.40

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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.