Home / 13,681,345.05-20,508,481.58-6,480,221.85

Finding the Fourth Proportional to 13,681,345.05, 20,508,481.58 and 6,480,221.85

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Solution

The fourth proportional to 13,681,345.05, 20,508,481.58 and 6,480,221.85 is: 9,713,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,345.05 : 20,508,481.58 = 6,480,221.85 : x
  2. Step 2: Convert to fraction form
    13,681,345.05/20,508,481.58 = 6,480,221.85/x
  3. Step 3: Cross multiply
    13,681,345.05x = 20,508,481.58 × 6,480,221.85
  4. Step 4: Simplify right side
    13,681,345.05x = 132,899,510,412,637.41
  5. Step 5: Solve for x
    x = 132,899,510,412,637.41/13,681,345.05
  6. Step 6: Final answer
    x = 9,713,921.40

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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.