Home / 10,917,889.87-16,368,205.41-5,450,178.46

Finding the Fourth Proportional to 10,917,889.87, 16,368,205.41 and 5,450,178.46

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Solution

The fourth proportional to 10,917,889.87, 16,368,205.41 and 5,450,178.46 is: 8,170,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,889.87 : 16,368,205.41 = 5,450,178.46 : x
  2. Step 2: Convert to fraction form
    10,917,889.87/16,368,205.41 = 5,450,178.46/x
  3. Step 3: Cross multiply
    10,917,889.87x = 16,368,205.41 × 5,450,178.46
  4. Step 4: Simplify right side
    10,917,889.87x = 89,209,640,554,437.47
  5. Step 5: Solve for x
    x = 89,209,640,554,437.47/10,917,889.87
  6. Step 6: Final answer
    x = 8,170,959.92

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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.