Home / 11,780,458.40-17,670,687.60-8,197,277.60

Finding the Fourth Proportional to 11,780,458.40, 17,670,687.60 and 8,197,277.60

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Solution

The fourth proportional to 11,780,458.40, 17,670,687.60 and 8,197,277.60 is: 12,295,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,458.40 : 17,670,687.60 = 8,197,277.60 : x
  2. Step 2: Convert to fraction form
    11,780,458.40/17,670,687.60 = 8,197,277.60/x
  3. Step 3: Cross multiply
    11,780,458.40x = 17,670,687.60 × 8,197,277.60
  4. Step 4: Simplify right side
    11,780,458.40x = 144,851,531,640,077.78
  5. Step 5: Solve for x
    x = 144,851,531,640,077.78/11,780,458.40
  6. Step 6: Final answer
    x = 12,295,916.40

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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.