Home / 8,947,276.80-12,347,382.60-4,872,892.56

Finding the Fourth Proportional to 8,947,276.80, 12,347,382.60 and 4,872,892.56

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Solution

The fourth proportional to 8,947,276.80, 12,347,382.60 and 4,872,892.56 is: 6,724,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947,276.80 : 12,347,382.60 = 4,872,892.56 : x
  2. Step 2: Convert to fraction form
    8,947,276.80/12,347,382.60 = 4,872,892.56/x
  3. Step 3: Cross multiply
    8,947,276.80x = 12,347,382.60 × 4,872,892.56
  4. Step 4: Simplify right side
    8,947,276.80x = 60,167,468,807,013.45
  5. Step 5: Solve for x
    x = 60,167,468,807,013.45/8,947,276.80
  6. Step 6: Final answer
    x = 6,724,668.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.