Home / 9,979,947.36-13,772,337.12-5,396,267.52

Finding the Fourth Proportional to 9,979,947.36, 13,772,337.12 and 5,396,267.52

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Solution

The fourth proportional to 9,979,947.36, 13,772,337.12 and 5,396,267.52 is: 7,446,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,947.36 : 13,772,337.12 = 5,396,267.52 : x
  2. Step 2: Convert to fraction form
    9,979,947.36/13,772,337.12 = 5,396,267.52/x
  3. Step 3: Cross multiply
    9,979,947.36x = 13,772,337.12 × 5,396,267.52
  4. Step 4: Simplify right side
    9,979,947.36x = 74,319,215,475,146.33
  5. Step 5: Solve for x
    x = 74,319,215,475,146.33/9,979,947.36
  6. Step 6: Final answer
    x = 7,446,854.46

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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.