Home / 8,085,200.70-12,127,801.05-7,500,615.60

Finding the Fourth Proportional to 8,085,200.70, 12,127,801.05 and 7,500,615.60

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Solution

The fourth proportional to 8,085,200.70, 12,127,801.05 and 7,500,615.60 is: 11,250,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,200.70 : 12,127,801.05 = 7,500,615.60 : x
  2. Step 2: Convert to fraction form
    8,085,200.70/12,127,801.05 = 7,500,615.60/x
  3. Step 3: Cross multiply
    8,085,200.70x = 12,127,801.05 × 7,500,615.60
  4. Step 4: Simplify right side
    8,085,200.70x = 90,965,973,749,326.38
  5. Step 5: Solve for x
    x = 90,965,973,749,326.38/8,085,200.70
  6. Step 6: Final answer
    x = 11,250,923.40

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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.