Home / 15,196,711.52-20,971,470.59-8,227,390.88

Finding the Fourth Proportional to 15,196,711.52, 20,971,470.59 and 8,227,390.88

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Solution

The fourth proportional to 15,196,711.52, 20,971,470.59 and 8,227,390.88 is: 11,353,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,711.52 : 20,971,470.59 = 8,227,390.88 : x
  2. Step 2: Convert to fraction form
    15,196,711.52/20,971,470.59 = 8,227,390.88/x
  3. Step 3: Cross multiply
    15,196,711.52x = 20,971,470.59 × 8,227,390.88
  4. Step 4: Simplify right side
    15,196,711.52x = 172,540,485,842,813.22
  5. Step 5: Solve for x
    x = 172,540,485,842,813.22/15,196,711.52
  6. Step 6: Final answer
    x = 11,353,804.12

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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.