Home / 8,383,010.40-12,574,515.60-7,886,998.80

Finding the Fourth Proportional to 8,383,010.40, 12,574,515.60 and 7,886,998.80

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Solution

The fourth proportional to 8,383,010.40, 12,574,515.60 and 7,886,998.80 is: 11,830,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,010.40 : 12,574,515.60 = 7,886,998.80 : x
  2. Step 2: Convert to fraction form
    8,383,010.40/12,574,515.60 = 7,886,998.80/x
  3. Step 3: Cross multiply
    8,383,010.40x = 12,574,515.60 × 7,886,998.80
  4. Step 4: Simplify right side
    8,383,010.40x = 99,175,189,447,781.28
  5. Step 5: Solve for x
    x = 99,175,189,447,781.28/8,383,010.40
  6. Step 6: Final answer
    x = 11,830,498.20

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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.