Home / 13,198,767.70-18,216,852.87-8,607,117.46

Finding the Fourth Proportional to 13,198,767.70, 18,216,852.87 and 8,607,117.46

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Solution

The fourth proportional to 13,198,767.70, 18,216,852.87 and 8,607,117.46 is: 11,879,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198,767.70 : 18,216,852.87 = 8,607,117.46 : x
  2. Step 2: Convert to fraction form
    13,198,767.70/18,216,852.87 = 8,607,117.46/x
  3. Step 3: Cross multiply
    13,198,767.70x = 18,216,852.87 × 8,607,117.46
  4. Step 4: Simplify right side
    13,198,767.70x = 156,794,592,403,628.12
  5. Step 5: Solve for x
    x = 156,794,592,403,628.12/13,198,767.70
  6. Step 6: Final answer
    x = 11,879,487.23

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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.