Home / 19,040,155.20-26,275,445.28-10,338,344.64

Finding the Fourth Proportional to 19,040,155.20, 26,275,445.28 and 10,338,344.64

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Solution

The fourth proportional to 19,040,155.20, 26,275,445.28 and 10,338,344.64 is: 14,266,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040,155.20 : 26,275,445.28 = 10,338,344.64 : x
  2. Step 2: Convert to fraction form
    19,040,155.20/26,275,445.28 = 10,338,344.64/x
  3. Step 3: Cross multiply
    19,040,155.20x = 26,275,445.28 × 10,338,344.64
  4. Step 4: Simplify right side
    19,040,155.20x = 271,644,608,874,101.31
  5. Step 5: Solve for x
    x = 271,644,608,874,101.31/19,040,155.20
  6. Step 6: Final answer
    x = 14,266,932.49

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1.5x scale

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.