Home / 8,086,390.60-12,096,408.30-7,290,128.20

Finding the Fourth Proportional to 8,086,390.60, 12,096,408.30 and 7,290,128.20

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Solution

The fourth proportional to 8,086,390.60, 12,096,408.30 and 7,290,128.20 is: 10,905,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,390.60 : 12,096,408.30 = 7,290,128.20 : x
  2. Step 2: Convert to fraction form
    8,086,390.60/12,096,408.30 = 7,290,128.20/x
  3. Step 3: Cross multiply
    8,086,390.60x = 12,096,408.30 × 7,290,128.20
  4. Step 4: Simplify right side
    8,086,390.60x = 88,184,367,266,544.06
  5. Step 5: Solve for x
    x = 88,184,367,266,544.06/8,086,390.60
  6. Step 6: Final answer
    x = 10,905,281.68

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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.