Home / 8,186,775.18-12,284,303.49-5,456,185.80

Finding the Fourth Proportional to 8,186,775.18, 12,284,303.49 and 5,456,185.80

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Solution

The fourth proportional to 8,186,775.18, 12,284,303.49 and 5,456,185.80 is: 8,187,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186,775.18 : 12,284,303.49 = 5,456,185.80 : x
  2. Step 2: Convert to fraction form
    8,186,775.18/12,284,303.49 = 5,456,185.80/x
  3. Step 3: Cross multiply
    8,186,775.18x = 12,284,303.49 × 5,456,185.80
  4. Step 4: Simplify right side
    8,186,775.18x = 67,025,442,265,028.44
  5. Step 5: Solve for x
    x = 67,025,442,265,028.44/8,186,775.18
  6. Step 6: Final answer
    x = 8,187,038.34

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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.