Home / 26,291,255.70-39,436,883.55-19,913,963.70

Finding the Fourth Proportional to 26,291,255.70, 39,436,883.55 and 19,913,963.70

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Solution

The fourth proportional to 26,291,255.70, 39,436,883.55 and 19,913,963.70 is: 29,870,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,291,255.70 : 39,436,883.55 = 19,913,963.70 : x
  2. Step 2: Convert to fraction form
    26,291,255.70/39,436,883.55 = 19,913,963.70/x
  3. Step 3: Cross multiply
    26,291,255.70x = 39,436,883.55 × 19,913,963.70
  4. Step 4: Simplify right side
    26,291,255.70x = 785,344,667,455,827
  5. Step 5: Solve for x
    x = 785,344,667,455,827/26,291,255.70
  6. Step 6: Final answer
    x = 29,870,945.55

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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.