Home / 11,864,990.81-16,374,323.07-6,637,687.15

Finding the Fourth Proportional to 11,864,990.81, 16,374,323.07 and 6,637,687.15

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Solution

The fourth proportional to 11,864,990.81, 16,374,323.07 and 6,637,687.15 is: 9,160,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864,990.81 : 16,374,323.07 = 6,637,687.15 : x
  2. Step 2: Convert to fraction form
    11,864,990.81/16,374,323.07 = 6,637,687.15/x
  3. Step 3: Cross multiply
    11,864,990.81x = 16,374,323.07 × 6,637,687.15
  4. Step 4: Simplify right side
    11,864,990.81x = 108,687,633,790,751.75
  5. Step 5: Solve for x
    x = 108,687,633,790,751.75/11,864,990.81
  6. Step 6: Final answer
    x = 9,160,363.92

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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.