Home / 10,221,120.52-15,338,498.84-5,301,686.14

Finding the Fourth Proportional to 10,221,120.52, 15,338,498.84 and 5,301,686.14

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Solution

The fourth proportional to 10,221,120.52, 15,338,498.84 and 5,301,686.14 is: 7,956,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,120.52 : 15,338,498.84 = 5,301,686.14 : x
  2. Step 2: Convert to fraction form
    10,221,120.52/15,338,498.84 = 5,301,686.14/x
  3. Step 3: Cross multiply
    10,221,120.52x = 15,338,498.84 × 5,301,686.14
  4. Step 4: Simplify right side
    10,221,120.52x = 81,319,906,708,434.08
  5. Step 5: Solve for x
    x = 81,319,906,708,434.08/10,221,120.52
  6. Step 6: Final answer
    x = 7,956,065.73

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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.