Home / 6,145,920.80-9,218,881.20-5,830,992.80

Finding the Fourth Proportional to 6,145,920.80, 9,218,881.20 and 5,830,992.80

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Solution

The fourth proportional to 6,145,920.80, 9,218,881.20 and 5,830,992.80 is: 8,746,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,920.80 : 9,218,881.20 = 5,830,992.80 : x
  2. Step 2: Convert to fraction form
    6,145,920.80/9,218,881.20 = 5,830,992.80/x
  3. Step 3: Cross multiply
    6,145,920.80x = 9,218,881.20 × 5,830,992.80
  4. Step 4: Simplify right side
    6,145,920.80x = 53,755,229,901,255.35
  5. Step 5: Solve for x
    x = 53,755,229,901,255.35/6,145,920.80
  6. Step 6: Final answer
    x = 8,746,489.20

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Double scale
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Similar ratio
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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.