Home / 9,712,213.20-14,568,319.80-7,822,645.20

Finding the Fourth Proportional to 9,712,213.20, 14,568,319.80 and 7,822,645.20

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Solution

The fourth proportional to 9,712,213.20, 14,568,319.80 and 7,822,645.20 is: 11,733,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,213.20 : 14,568,319.80 = 7,822,645.20 : x
  2. Step 2: Convert to fraction form
    9,712,213.20/14,568,319.80 = 7,822,645.20/x
  3. Step 3: Cross multiply
    9,712,213.20x = 14,568,319.80 × 7,822,645.20
  4. Step 4: Simplify right side
    9,712,213.20x = 113,962,796,955,534.97
  5. Step 5: Solve for x
    x = 113,962,796,955,534.97/9,712,213.20
  6. Step 6: Final answer
    x = 11,733,967.80

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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.