Home / 26,428,217.10-39,637,601.12-16,815,039.90

Finding the Fourth Proportional to 26,428,217.10, 39,637,601.12 and 16,815,039.90

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Solution

The fourth proportional to 26,428,217.10, 39,637,601.12 and 16,815,039.90 is: 25,219,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428,217.10 : 39,637,601.12 = 16,815,039.90 : x
  2. Step 2: Convert to fraction form
    26,428,217.10/39,637,601.12 = 16,815,039.90/x
  3. Step 3: Cross multiply
    26,428,217.10x = 39,637,601.12 × 16,815,039.90
  4. Step 4: Simplify right side
    26,428,217.10x = 666,507,844,373,084.62
  5. Step 5: Solve for x
    x = 666,507,844,373,084.62/26,428,217.10
  6. Step 6: Final answer
    x = 25,219,553.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.