Home / 20,051,984.93-27,672,179.18-12,211,864.65

Finding the Fourth Proportional to 20,051,984.93, 27,672,179.18 and 12,211,864.65

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Solution

The fourth proportional to 20,051,984.93, 27,672,179.18 and 12,211,864.65 is: 16,852,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051,984.93 : 27,672,179.18 = 12,211,864.65 : x
  2. Step 2: Convert to fraction form
    20,051,984.93/27,672,179.18 = 12,211,864.65/x
  3. Step 3: Cross multiply
    20,051,984.93x = 27,672,179.18 × 12,211,864.65
  4. Step 4: Simplify right side
    20,051,984.93x = 337,928,906,655,648.69
  5. Step 5: Solve for x
    x = 337,928,906,655,648.69/20,051,984.93
  6. Step 6: Final answer
    x = 16,852,641.17

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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.