Home / 12,793,599.76-17,666,953.86-8,217,892.75

Finding the Fourth Proportional to 12,793,599.76, 17,666,953.86 and 8,217,892.75

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Solution

The fourth proportional to 12,793,599.76, 17,666,953.86 and 8,217,892.75 is: 11,348,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,599.76 : 17,666,953.86 = 8,217,892.75 : x
  2. Step 2: Convert to fraction form
    12,793,599.76/17,666,953.86 = 8,217,892.75/x
  3. Step 3: Cross multiply
    12,793,599.76x = 17,666,953.86 × 8,217,892.75
  4. Step 4: Simplify right side
    12,793,599.76x = 145,185,132,040,678.50
  5. Step 5: Solve for x
    x = 145,185,132,040,678.50/12,793,599.76
  6. Step 6: Final answer
    x = 11,348,262.78

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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.