Home / 12,482,820.80-18,724,231.20-11,039,595.20

Finding the Fourth Proportional to 12,482,820.80, 18,724,231.20 and 11,039,595.20

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Solution

The fourth proportional to 12,482,820.80, 18,724,231.20 and 11,039,595.20 is: 16,559,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,820.80 : 18,724,231.20 = 11,039,595.20 : x
  2. Step 2: Convert to fraction form
    12,482,820.80/18,724,231.20 = 11,039,595.20/x
  3. Step 3: Cross multiply
    12,482,820.80x = 18,724,231.20 × 11,039,595.20
  4. Step 4: Simplify right side
    12,482,820.80x = 206,707,932,879,210.22
  5. Step 5: Solve for x
    x = 206,707,932,879,210.22/12,482,820.80
  6. Step 6: Final answer
    x = 16,559,392.80

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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.