Home / 28,026,029.16-42,035,427.90-8,858,723.76

Finding the Fourth Proportional to 28,026,029.16, 42,035,427.90 and 8,858,723.76

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Solution

The fourth proportional to 28,026,029.16, 42,035,427.90 and 8,858,723.76 is: 13,286,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,029.16 : 42,035,427.90 = 8,858,723.76 : x
  2. Step 2: Convert to fraction form
    28,026,029.16/42,035,427.90 = 8,858,723.76/x
  3. Step 3: Cross multiply
    28,026,029.16x = 42,035,427.90 × 8,858,723.76
  4. Step 4: Simplify right side
    28,026,029.16x = 372,380,243,899,496.88
  5. Step 5: Solve for x
    x = 372,380,243,899,496.88/28,026,029.16
  6. Step 6: Final answer
    x = 13,286,942.71

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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.