Home / 26,678,568.12-36,816,842-15,665,561.36

Finding the Fourth Proportional to 26,678,568.12, 36,816,842 and 15,665,561.36

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Solution

The fourth proportional to 26,678,568.12, 36,816,842 and 15,665,561.36 is: 21,618,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678,568.12 : 36,816,842 = 15,665,561.36 : x
  2. Step 2: Convert to fraction form
    26,678,568.12/36,816,842 = 15,665,561.36/x
  3. Step 3: Cross multiply
    26,678,568.12x = 36,816,842 × 15,665,561.36
  4. Step 4: Simplify right side
    26,678,568.12x = 576,756,497,432,425.12
  5. Step 5: Solve for x
    x = 576,756,497,432,425.12/26,678,568.12
  6. Step 6: Final answer
    x = 21,618,720.12

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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.