Home / 11,864,990.72-16,374,322.94-6,637,687.05

Finding the Fourth Proportional to 11,864,990.72, 16,374,322.94 and 6,637,687.05

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Solution

The fourth proportional to 11,864,990.72, 16,374,322.94 and 6,637,687.05 is: 9,160,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864,990.72 : 16,374,322.94 = 6,637,687.05 : x
  2. Step 2: Convert to fraction form
    11,864,990.72/16,374,322.94 = 6,637,687.05/x
  3. Step 3: Cross multiply
    11,864,990.72x = 16,374,322.94 × 6,637,687.05
  4. Step 4: Simplify right side
    11,864,990.72x = 108,687,631,298,167.48
  5. Step 5: Solve for x
    x = 108,687,631,298,167.48/11,864,990.72
  6. Step 6: Final answer
    x = 9,160,363.79

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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.