Home / 15,795,211.43-21,797,000.55-8,825,461.13

Finding the Fourth Proportional to 15,795,211.43, 21,797,000.55 and 8,825,461.13

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Solution

The fourth proportional to 15,795,211.43, 21,797,000.55 and 8,825,461.13 is: 12,178,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795,211.43 : 21,797,000.55 = 8,825,461.13 : x
  2. Step 2: Convert to fraction form
    15,795,211.43/21,797,000.55 = 8,825,461.13/x
  3. Step 3: Cross multiply
    15,795,211.43x = 21,797,000.55 × 8,825,461.13
  4. Step 4: Simplify right side
    15,795,211.43x = 192,368,580,995,628.62
  5. Step 5: Solve for x
    x = 192,368,580,995,628.62/15,795,211.43
  6. Step 6: Final answer
    x = 12,178,917.76

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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.