Home / 8,932,146.90-13,398,220.35-8,512,242.90

Finding the Fourth Proportional to 8,932,146.90, 13,398,220.35 and 8,512,242.90

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Solution

The fourth proportional to 8,932,146.90, 13,398,220.35 and 8,512,242.90 is: 12,768,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932,146.90 : 13,398,220.35 = 8,512,242.90 : x
  2. Step 2: Convert to fraction form
    8,932,146.90/13,398,220.35 = 8,512,242.90/x
  3. Step 3: Cross multiply
    8,932,146.90x = 13,398,220.35 × 8,512,242.90
  4. Step 4: Simplify right side
    8,932,146.90x = 114,048,906,046,923.02
  5. Step 5: Solve for x
    x = 114,048,906,046,923.02/8,932,146.90
  6. Step 6: Final answer
    x = 12,768,364.35

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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.