Home / 26,420,292.78-36,459,565.23-15,413,442.54

Finding the Fourth Proportional to 26,420,292.78, 36,459,565.23 and 15,413,442.54

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Solution

The fourth proportional to 26,420,292.78, 36,459,565.23 and 15,413,442.54 is: 21,270,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420,292.78 : 36,459,565.23 = 15,413,442.54 : x
  2. Step 2: Convert to fraction form
    26,420,292.78/36,459,565.23 = 15,413,442.54/x
  3. Step 3: Cross multiply
    26,420,292.78x = 36,459,565.23 × 15,413,442.54
  4. Step 4: Simplify right side
    26,420,292.78x = 561,967,413,705,986.81
  5. Step 5: Solve for x
    x = 561,967,413,705,986.81/26,420,292.78
  6. Step 6: Final answer
    x = 21,270,294.71

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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.