Home / 11,028,999.60-16,543,499.40-8,478,082.80

Finding the Fourth Proportional to 11,028,999.60, 16,543,499.40 and 8,478,082.80

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Solution

The fourth proportional to 11,028,999.60, 16,543,499.40 and 8,478,082.80 is: 12,717,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,999.60 : 16,543,499.40 = 8,478,082.80 : x
  2. Step 2: Convert to fraction form
    11,028,999.60/16,543,499.40 = 8,478,082.80/x
  3. Step 3: Cross multiply
    11,028,999.60x = 16,543,499.40 × 8,478,082.80
  4. Step 4: Simplify right side
    11,028,999.60x = 140,257,157,714,950.33
  5. Step 5: Solve for x
    x = 140,257,157,714,950.33/11,028,999.60
  6. Step 6: Final answer
    x = 12,717,124.20

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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.