Home / 13,398,768.40-20,098,152.60-8,296,934.80

Finding the Fourth Proportional to 13,398,768.40, 20,098,152.60 and 8,296,934.80

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Solution

The fourth proportional to 13,398,768.40, 20,098,152.60 and 8,296,934.80 is: 12,445,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,768.40 : 20,098,152.60 = 8,296,934.80 : x
  2. Step 2: Convert to fraction form
    13,398,768.40/20,098,152.60 = 8,296,934.80/x
  3. Step 3: Cross multiply
    13,398,768.40x = 20,098,152.60 × 8,296,934.80
  4. Step 4: Simplify right side
    13,398,768.40x = 166,753,061,722,650.50
  5. Step 5: Solve for x
    x = 166,753,061,722,650.50/13,398,768.40
  6. Step 6: Final answer
    x = 12,445,402.20

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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.