Home / 12,166,818.91-16,789,146.16-7,204,370

Finding the Fourth Proportional to 12,166,818.91, 16,789,146.16 and 7,204,370

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Solution

The fourth proportional to 12,166,818.91, 16,789,146.16 and 7,204,370 is: 9,941,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166,818.91 : 16,789,146.16 = 7,204,370 : x
  2. Step 2: Convert to fraction form
    12,166,818.91/16,789,146.16 = 7,204,370/x
  3. Step 3: Cross multiply
    12,166,818.91x = 16,789,146.16 × 7,204,370
  4. Step 4: Simplify right side
    12,166,818.91x = 120,955,220,920,719.20
  5. Step 5: Solve for x
    x = 120,955,220,920,719.20/12,166,818.91
  6. Step 6: Final answer
    x = 9,941,400.61

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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.