Home / 28,026,074.72-42,035,496.24-8,858,769.32

Finding the Fourth Proportional to 28,026,074.72, 42,035,496.24 and 8,858,769.32

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Solution

The fourth proportional to 28,026,074.72, 42,035,496.24 and 8,858,769.32 is: 13,287,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,074.72 : 42,035,496.24 = 8,858,769.32 : x
  2. Step 2: Convert to fraction form
    28,026,074.72/42,035,496.24 = 8,858,769.32/x
  3. Step 3: Cross multiply
    28,026,074.72x = 42,035,496.24 × 8,858,769.32
  4. Step 4: Simplify right side
    28,026,074.72x = 372,382,764,580,196.44
  5. Step 5: Solve for x
    x = 372,382,764,580,196.44/28,026,074.72
  6. Step 6: Final answer
    x = 13,287,011.05

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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.