Home / 13,033,809.20-19,557,712.20-5,461,540.40

Finding the Fourth Proportional to 13,033,809.20, 19,557,712.20 and 5,461,540.40

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Solution

The fourth proportional to 13,033,809.20, 19,557,712.20 and 5,461,540.40 is: 8,195,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033,809.20 : 19,557,712.20 = 5,461,540.40 : x
  2. Step 2: Convert to fraction form
    13,033,809.20/19,557,712.20 = 5,461,540.40/x
  3. Step 3: Cross multiply
    13,033,809.20x = 19,557,712.20 × 5,461,540.40
  4. Step 4: Simplify right side
    13,033,809.20x = 106,815,235,311,872.89
  5. Step 5: Solve for x
    x = 106,815,235,311,872.89/13,033,809.20
  6. Step 6: Final answer
    x = 8,195,243.13

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1.5x scale

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.