Home / 8,340,059.79-11,503,348.08-7,653,947.77

Finding the Fourth Proportional to 8,340,059.79, 11,503,348.08 and 7,653,947.77

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Solution

The fourth proportional to 8,340,059.79, 11,503,348.08 and 7,653,947.77 is: 10,557,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,059.79 : 11,503,348.08 = 7,653,947.77 : x
  2. Step 2: Convert to fraction form
    8,340,059.79/11,503,348.08 = 7,653,947.77/x
  3. Step 3: Cross multiply
    8,340,059.79x = 11,503,348.08 × 7,653,947.77
  4. Step 4: Simplify right side
    8,340,059.79x = 88,046,025,384,449.78
  5. Step 5: Solve for x
    x = 88,046,025,384,449.78/8,340,059.79
  6. Step 6: Final answer
    x = 10,557,001.70

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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.