Home / 28,111,487.88-42,168,165.22-9,667,251.92

Finding the Fourth Proportional to 28,111,487.88, 42,168,165.22 and 9,667,251.92

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Solution

The fourth proportional to 28,111,487.88, 42,168,165.22 and 9,667,251.92 is: 14,501,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111,487.88 : 42,168,165.22 = 9,667,251.92 : x
  2. Step 2: Convert to fraction form
    28,111,487.88/42,168,165.22 = 9,667,251.92/x
  3. Step 3: Cross multiply
    28,111,487.88x = 42,168,165.22 × 9,667,251.92
  4. Step 4: Simplify right side
    28,111,487.88x = 407,650,276,185,922.19
  5. Step 5: Solve for x
    x = 407,650,276,185,922.19/28,111,487.88
  6. Step 6: Final answer
    x = 14,501,198.87

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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.