Home / 18,745,028.67-25,870,532.49-10,485,549.81

Finding the Fourth Proportional to 18,745,028.67, 25,870,532.49 and 10,485,549.81

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Solution

The fourth proportional to 18,745,028.67, 25,870,532.49 and 10,485,549.81 is: 14,471,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745,028.67 : 25,870,532.49 = 10,485,549.81 : x
  2. Step 2: Convert to fraction form
    18,745,028.67/25,870,532.49 = 10,485,549.81/x
  3. Step 3: Cross multiply
    18,745,028.67x = 25,870,532.49 × 10,485,549.81
  4. Step 4: Simplify right side
    18,745,028.67x = 271,266,757,035,118.31
  5. Step 5: Solve for x
    x = 271,266,757,035,118.31/18,745,028.67
  6. Step 6: Final answer
    x = 14,471,397.29

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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.