Home / 13,480,348.20-20,220,522.30-12,736,330.80

Finding the Fourth Proportional to 13,480,348.20, 20,220,522.30 and 12,736,330.80

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Solution

The fourth proportional to 13,480,348.20, 20,220,522.30 and 12,736,330.80 is: 19,104,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,348.20 : 20,220,522.30 = 12,736,330.80 : x
  2. Step 2: Convert to fraction form
    13,480,348.20/20,220,522.30 = 12,736,330.80/x
  3. Step 3: Cross multiply
    13,480,348.20x = 20,220,522.30 × 12,736,330.80
  4. Step 4: Simplify right side
    13,480,348.20x = 257,535,260,961,576.88
  5. Step 5: Solve for x
    x = 257,535,260,961,576.88/13,480,348.20
  6. Step 6: Final answer
    x = 19,104,496.20

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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.