Home / 11,028,720.60-16,543,080.90-8,477,803.80

Finding the Fourth Proportional to 11,028,720.60, 16,543,080.90 and 8,477,803.80

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Solution

The fourth proportional to 11,028,720.60, 16,543,080.90 and 8,477,803.80 is: 12,716,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,720.60 : 16,543,080.90 = 8,477,803.80 : x
  2. Step 2: Convert to fraction form
    11,028,720.60/16,543,080.90 = 8,477,803.80/x
  3. Step 3: Cross multiply
    11,028,720.60x = 16,543,080.90 × 8,477,803.80
  4. Step 4: Simplify right side
    11,028,720.60x = 140,248,994,117,727.44
  5. Step 5: Solve for x
    x = 140,248,994,117,727.44/11,028,720.60
  6. Step 6: Final answer
    x = 12,716,705.70

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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.