Home / 19,858,475.52-29,787,120-5,482,420.32

Finding the Fourth Proportional to 19,858,475.52, 29,787,120 and 5,482,420.32

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Solution

The fourth proportional to 19,858,475.52, 29,787,120 and 5,482,420.32 is: 8,223,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858,475.52 : 29,787,120 = 5,482,420.32 : x
  2. Step 2: Convert to fraction form
    19,858,475.52/29,787,120 = 5,482,420.32/x
  3. Step 3: Cross multiply
    19,858,475.52x = 29,787,120 × 5,482,420.32
  4. Step 4: Simplify right side
    19,858,475.52x = 163,305,511,962,278.41
  5. Step 5: Solve for x
    x = 163,305,511,962,278.41/19,858,475.52
  6. Step 6: Final answer
    x = 8,223,466.69

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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.