Home / 9,979,949.61-13,772,340.23-5,396,269.77

Finding the Fourth Proportional to 9,979,949.61, 13,772,340.23 and 5,396,269.77

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Solution

The fourth proportional to 9,979,949.61, 13,772,340.23 and 5,396,269.77 is: 7,446,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,949.61 : 13,772,340.23 = 5,396,269.77 : x
  2. Step 2: Convert to fraction form
    9,979,949.61/13,772,340.23 = 5,396,269.77/x
  3. Step 3: Cross multiply
    9,979,949.61x = 13,772,340.23 × 5,396,269.77
  4. Step 4: Simplify right side
    9,979,949.61x = 74,319,263,218,322.48
  5. Step 5: Solve for x
    x = 74,319,263,218,322.48/9,979,949.61
  6. Step 6: Final answer
    x = 7,446,857.56

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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.