Home / 13,398,764.40-20,098,146.60-8,296,930.80

Finding the Fourth Proportional to 13,398,764.40, 20,098,146.60 and 8,296,930.80

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Solution

The fourth proportional to 13,398,764.40, 20,098,146.60 and 8,296,930.80 is: 12,445,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,764.40 : 20,098,146.60 = 8,296,930.80 : x
  2. Step 2: Convert to fraction form
    13,398,764.40/20,098,146.60 = 8,296,930.80/x
  3. Step 3: Cross multiply
    13,398,764.40x = 20,098,146.60 × 8,296,930.80
  4. Step 4: Simplify right side
    13,398,764.40x = 166,752,931,548,455.28
  5. Step 5: Solve for x
    x = 166,752,931,548,455.28/13,398,764.40
  6. Step 6: Final answer
    x = 12,445,396.20

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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.