Home / 9,928,350.90-13,702,718.61-9,279,992.88

Finding the Fourth Proportional to 9,928,350.90, 13,702,718.61 and 9,279,992.88

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Solution

The fourth proportional to 9,928,350.90, 13,702,718.61 and 9,279,992.88 is: 12,807,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928,350.90 : 13,702,718.61 = 9,279,992.88 : x
  2. Step 2: Convert to fraction form
    9,928,350.90/13,702,718.61 = 9,279,992.88/x
  3. Step 3: Cross multiply
    9,928,350.90x = 13,702,718.61 × 9,279,992.88
  4. Step 4: Simplify right side
    9,928,350.90x = 127,161,131,137,443.50
  5. Step 5: Solve for x
    x = 127,161,131,137,443.50/9,928,350.90
  6. Step 6: Final answer
    x = 12,807,880.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.