Home / 13,310,847.11-18,368,970.38-7,199,275.61

Finding the Fourth Proportional to 13,310,847.11, 18,368,970.38 and 7,199,275.61

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Solution

The fourth proportional to 13,310,847.11, 18,368,970.38 and 7,199,275.61 is: 9,935,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,847.11 : 18,368,970.38 = 7,199,275.61 : x
  2. Step 2: Convert to fraction form
    13,310,847.11/18,368,970.38 = 7,199,275.61/x
  3. Step 3: Cross multiply
    13,310,847.11x = 18,368,970.38 × 7,199,275.61
  4. Step 4: Simplify right side
    13,310,847.11x = 132,243,280,437,546.44
  5. Step 5: Solve for x
    x = 132,243,280,437,546.44/13,310,847.11
  6. Step 6: Final answer
    x = 9,935,001.08

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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.