Home / 22,531,875.80-31,093,996.85-12,218,596.16

Finding the Fourth Proportional to 22,531,875.80, 31,093,996.85 and 12,218,596.16

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Solution

The fourth proportional to 22,531,875.80, 31,093,996.85 and 12,218,596.16 is: 16,861,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,875.80 : 31,093,996.85 = 12,218,596.16 : x
  2. Step 2: Convert to fraction form
    22,531,875.80/31,093,996.85 = 12,218,596.16/x
  3. Step 3: Cross multiply
    22,531,875.80x = 31,093,996.85 × 12,218,596.16
  4. Step 4: Simplify right side
    22,531,875.80x = 379,924,990,293,899.12
  5. Step 5: Solve for x
    x = 379,924,990,293,899.12/22,531,875.80
  6. Step 6: Final answer
    x = 16,861,667.17

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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.