Home / 11,816,561.60-17,731,840.80-8,613,627.20

Finding the Fourth Proportional to 11,816,561.60, 17,731,840.80 and 8,613,627.20

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Solution

The fourth proportional to 11,816,561.60, 17,731,840.80 and 8,613,627.20 is: 12,925,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816,561.60 : 17,731,840.80 = 8,613,627.20 : x
  2. Step 2: Convert to fraction form
    11,816,561.60/17,731,840.80 = 8,613,627.20/x
  3. Step 3: Cross multiply
    11,816,561.60x = 17,731,840.80 × 8,613,627.20
  4. Step 4: Simplify right side
    11,816,561.60x = 152,735,466,220,949.75
  5. Step 5: Solve for x
    x = 152,735,466,220,949.75/11,816,561.60
  6. Step 6: Final answer
    x = 12,925,542.25

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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.