Home / 18,578,078.92-25,637,808.42-10,318,139.80

Finding the Fourth Proportional to 18,578,078.92, 25,637,808.42 and 10,318,139.80

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Solution

The fourth proportional to 18,578,078.92, 25,637,808.42 and 10,318,139.80 is: 14,239,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,078.92 : 25,637,808.42 = 10,318,139.80 : x
  2. Step 2: Convert to fraction form
    18,578,078.92/25,637,808.42 = 10,318,139.80/x
  3. Step 3: Cross multiply
    18,578,078.92x = 25,637,808.42 × 10,318,139.80
  4. Step 4: Simplify right side
    18,578,078.92x = 264,534,491,443,177.16
  5. Step 5: Solve for x
    x = 264,534,491,443,177.16/18,578,078.92
  6. Step 6: Final answer
    x = 14,239,065.98

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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.