Home / 18,578,083.92-25,637,815.32-10,318,144.80

Finding the Fourth Proportional to 18,578,083.92, 25,637,815.32 and 10,318,144.80

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Solution

The fourth proportional to 18,578,083.92, 25,637,815.32 and 10,318,144.80 is: 14,239,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,083.92 : 25,637,815.32 = 10,318,144.80 : x
  2. Step 2: Convert to fraction form
    18,578,083.92/25,637,815.32 = 10,318,144.80/x
  3. Step 3: Cross multiply
    18,578,083.92x = 25,637,815.32 × 10,318,144.80
  4. Step 4: Simplify right side
    18,578,083.92x = 264,534,690,827,418.34
  5. Step 5: Solve for x
    x = 264,534,690,827,418.34/18,578,083.92
  6. Step 6: Final answer
    x = 14,239,072.88

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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.