Home / 8,853,338.40-13,280,007.60-7,278,698.40

Finding the Fourth Proportional to 8,853,338.40, 13,280,007.60 and 7,278,698.40

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Solution

The fourth proportional to 8,853,338.40, 13,280,007.60 and 7,278,698.40 is: 10,918,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853,338.40 : 13,280,007.60 = 7,278,698.40 : x
  2. Step 2: Convert to fraction form
    8,853,338.40/13,280,007.60 = 7,278,698.40/x
  3. Step 3: Cross multiply
    8,853,338.40x = 13,280,007.60 × 7,278,698.40
  4. Step 4: Simplify right side
    8,853,338.40x = 96,661,170,070,107.84
  5. Step 5: Solve for x
    x = 96,661,170,070,107.84/8,853,338.40
  6. Step 6: Final answer
    x = 10,918,047.60

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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.