Home / 26,428,811.60-39,643,217.40-17,388,045.20

Finding the Fourth Proportional to 26,428,811.60, 39,643,217.40 and 17,388,045.20

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Solution

The fourth proportional to 26,428,811.60, 39,643,217.40 and 17,388,045.20 is: 26,082,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428,811.60 : 39,643,217.40 = 17,388,045.20 : x
  2. Step 2: Convert to fraction form
    26,428,811.60/39,643,217.40 = 17,388,045.20/x
  3. Step 3: Cross multiply
    26,428,811.60x = 39,643,217.40 × 17,388,045.20
  4. Step 4: Simplify right side
    26,428,811.60x = 689,318,056,024,626.38
  5. Step 5: Solve for x
    x = 689,318,056,024,626.38/26,428,811.60
  6. Step 6: Final answer
    x = 26,082,067.80

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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.