Home / 13,177,715.10-19,728,081.45-9,398,579.10

Finding the Fourth Proportional to 13,177,715.10, 19,728,081.45 and 9,398,579.10

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Solution

The fourth proportional to 13,177,715.10, 19,728,081.45 and 9,398,579.10 is: 14,070,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177,715.10 : 19,728,081.45 = 9,398,579.10 : x
  2. Step 2: Convert to fraction form
    13,177,715.10/19,728,081.45 = 9,398,579.10/x
  3. Step 3: Cross multiply
    13,177,715.10x = 19,728,081.45 × 9,398,579.10
  4. Step 4: Simplify right side
    13,177,715.10x = 185,415,933,999,067.69
  5. Step 5: Solve for x
    x = 185,415,933,999,067.69/13,177,715.10
  6. Step 6: Final answer
    x = 14,070,416.05

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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.