Home / 13,903,062.60-20,854,593.90-8,220,361.80

Finding the Fourth Proportional to 13,903,062.60, 20,854,593.90 and 8,220,361.80

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Solution

The fourth proportional to 13,903,062.60, 20,854,593.90 and 8,220,361.80 is: 12,330,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,062.60 : 20,854,593.90 = 8,220,361.80 : x
  2. Step 2: Convert to fraction form
    13,903,062.60/20,854,593.90 = 8,220,361.80/x
  3. Step 3: Cross multiply
    13,903,062.60x = 20,854,593.90 × 8,220,361.80
  4. Step 4: Simplify right side
    13,903,062.60x = 171,432,307,050,073
  5. Step 5: Solve for x
    x = 171,432,307,050,073/13,903,062.60
  6. Step 6: Final answer
    x = 12,330,542.70

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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.