Home / 8,858,140.80-13,287,211.20-8,415,772.80

Finding the Fourth Proportional to 8,858,140.80, 13,287,211.20 and 8,415,772.80

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Solution

The fourth proportional to 8,858,140.80, 13,287,211.20 and 8,415,772.80 is: 12,623,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,140.80 : 13,287,211.20 = 8,415,772.80 : x
  2. Step 2: Convert to fraction form
    8,858,140.80/13,287,211.20 = 8,415,772.80/x
  3. Step 3: Cross multiply
    8,858,140.80x = 13,287,211.20 × 8,415,772.80
  4. Step 4: Simplify right side
    8,858,140.80x = 111,822,150,604,815.36
  5. Step 5: Solve for x
    x = 111,822,150,604,815.36/8,858,140.80
  6. Step 6: Final answer
    x = 12,623,659.20

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Double scale
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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.