Home / 8,090,672.40-12,136,008.60-7,474,813.20

Finding the Fourth Proportional to 8,090,672.40, 12,136,008.60 and 7,474,813.20

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Solution

The fourth proportional to 8,090,672.40, 12,136,008.60 and 7,474,813.20 is: 11,212,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090,672.40 : 12,136,008.60 = 7,474,813.20 : x
  2. Step 2: Convert to fraction form
    8,090,672.40/12,136,008.60 = 7,474,813.20/x
  3. Step 3: Cross multiply
    8,090,672.40x = 12,136,008.60 × 7,474,813.20
  4. Step 4: Simplify right side
    8,090,672.40x = 90,714,397,278,593.52
  5. Step 5: Solve for x
    x = 90,714,397,278,593.52/8,090,672.40
  6. Step 6: Final answer
    x = 11,212,219.80

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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.