Home / 12,282,673.87-18,386,219.44-8,013,649.87

Finding the Fourth Proportional to 12,282,673.87, 18,386,219.44 and 8,013,649.87

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Solution

The fourth proportional to 12,282,673.87, 18,386,219.44 and 8,013,649.87 is: 11,995,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,673.87 : 18,386,219.44 = 8,013,649.87 : x
  2. Step 2: Convert to fraction form
    12,282,673.87/18,386,219.44 = 8,013,649.87/x
  3. Step 3: Cross multiply
    12,282,673.87x = 18,386,219.44 × 8,013,649.87
  4. Step 4: Simplify right side
    12,282,673.87x = 147,340,725,025,147.50
  5. Step 5: Solve for x
    x = 147,340,725,025,147.50/12,282,673.87
  6. Step 6: Final answer
    x = 11,995,818.38

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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.