Home / 28,264,477.20-42,396,715.80-8,067,094.80

Finding the Fourth Proportional to 28,264,477.20, 42,396,715.80 and 8,067,094.80

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Solution

The fourth proportional to 28,264,477.20, 42,396,715.80 and 8,067,094.80 is: 12,100,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264,477.20 : 42,396,715.80 = 8,067,094.80 : x
  2. Step 2: Convert to fraction form
    28,264,477.20/42,396,715.80 = 8,067,094.80/x
  3. Step 3: Cross multiply
    28,264,477.20x = 42,396,715.80 × 8,067,094.80
  4. Step 4: Simplify right side
    28,264,477.20x = 342,018,325,567,257.81
  5. Step 5: Solve for x
    x = 342,018,325,567,257.81/28,264,477.20
  6. Step 6: Final answer
    x = 12,100,642.20

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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.