Home / 12,206,848.91-16,859,432.35-8,039,164.31

Finding the Fourth Proportional to 12,206,848.91, 16,859,432.35 and 8,039,164.31

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Solution

The fourth proportional to 12,206,848.91, 16,859,432.35 and 8,039,164.31 is: 11,103,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206,848.91 : 16,859,432.35 = 8,039,164.31 : x
  2. Step 2: Convert to fraction form
    12,206,848.91/16,859,432.35 = 8,039,164.31/x
  3. Step 3: Cross multiply
    12,206,848.91x = 16,859,432.35 × 8,039,164.31
  4. Step 4: Simplify right side
    12,206,848.91x = 135,535,746,887,176.97
  5. Step 5: Solve for x
    x = 135,535,746,887,176.97/12,206,848.91
  6. Step 6: Final answer
    x = 11,103,254.24

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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.