Home / 13,852,009.32-20,676,574.03-12,215,794.38

Finding the Fourth Proportional to 13,852,009.32, 20,676,574.03 and 12,215,794.38

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Solution

The fourth proportional to 13,852,009.32, 20,676,574.03 and 12,215,794.38 is: 18,234,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852,009.32 : 20,676,574.03 = 12,215,794.38 : x
  2. Step 2: Convert to fraction form
    13,852,009.32/20,676,574.03 = 12,215,794.38/x
  3. Step 3: Cross multiply
    13,852,009.32x = 20,676,574.03 × 12,215,794.38
  4. Step 4: Simplify right side
    13,852,009.32x = 252,580,776,833,327.97
  5. Step 5: Solve for x
    x = 252,580,776,833,327.97/13,852,009.32
  6. Step 6: Final answer
    x = 18,234,233.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.