Home / 9,072,006.40-13,608,009.60-8,764,076.80

Finding the Fourth Proportional to 9,072,006.40, 13,608,009.60 and 8,764,076.80

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Solution

The fourth proportional to 9,072,006.40, 13,608,009.60 and 8,764,076.80 is: 13,146,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,006.40 : 13,608,009.60 = 8,764,076.80 : x
  2. Step 2: Convert to fraction form
    9,072,006.40/13,608,009.60 = 8,764,076.80/x
  3. Step 3: Cross multiply
    9,072,006.40x = 13,608,009.60 × 8,764,076.80
  4. Step 4: Simplify right side
    9,072,006.40x = 119,261,641,229,537.28
  5. Step 5: Solve for x
    x = 119,261,641,229,537.28/9,072,006.40
  6. Step 6: Final answer
    x = 13,146,115.20

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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.