Home / 7,801,713.60-11,702,570.40-4,778,404.80

Finding the Fourth Proportional to 7,801,713.60, 11,702,570.40 and 4,778,404.80

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Solution

The fourth proportional to 7,801,713.60, 11,702,570.40 and 4,778,404.80 is: 7,167,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801,713.60 : 11,702,570.40 = 4,778,404.80 : x
  2. Step 2: Convert to fraction form
    7,801,713.60/11,702,570.40 = 4,778,404.80/x
  3. Step 3: Cross multiply
    7,801,713.60x = 11,702,570.40 × 4,778,404.80
  4. Step 4: Simplify right side
    7,801,713.60x = 55,919,618,571,697.92
  5. Step 5: Solve for x
    x = 55,919,618,571,697.92/7,801,713.60
  6. Step 6: Final answer
    x = 7,167,607.20

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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.