Home / 15,886,674.77-21,923,934.92-8,917,854.80

Finding the Fourth Proportional to 15,886,674.77, 21,923,934.92 and 8,917,854.80

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Solution

The fourth proportional to 15,886,674.77, 21,923,934.92 and 8,917,854.80 is: 12,306,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886,674.77 : 21,923,934.92 = 8,917,854.80 : x
  2. Step 2: Convert to fraction form
    15,886,674.77/21,923,934.92 = 8,917,854.80/x
  3. Step 3: Cross multiply
    15,886,674.77x = 21,923,934.92 × 8,917,854.80
  4. Step 4: Simplify right side
    15,886,674.77x = 195,514,468,107,000.66
  5. Step 5: Solve for x
    x = 195,514,468,107,000.66/15,886,674.77
  6. Step 6: Final answer
    x = 12,306,821.35

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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.