Home / 7,344,805.60-11,017,208.40-6,840,920.80

Finding the Fourth Proportional to 7,344,805.60, 11,017,208.40 and 6,840,920.80

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Solution

The fourth proportional to 7,344,805.60, 11,017,208.40 and 6,840,920.80 is: 10,261,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344,805.60 : 11,017,208.40 = 6,840,920.80 : x
  2. Step 2: Convert to fraction form
    7,344,805.60/11,017,208.40 = 6,840,920.80/x
  3. Step 3: Cross multiply
    7,344,805.60x = 11,017,208.40 × 6,840,920.80
  4. Step 4: Simplify right side
    7,344,805.60x = 75,367,850,101,494.72
  5. Step 5: Solve for x
    x = 75,367,850,101,494.72/7,344,805.60
  6. Step 6: Final answer
    x = 10,261,381.20

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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.