Home / 13,310,050.74-18,367,869.81-7,198,479.22

Finding the Fourth Proportional to 13,310,050.74, 18,367,869.81 and 7,198,479.22

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Solution

The fourth proportional to 13,310,050.74, 18,367,869.81 and 7,198,479.22 is: 9,933,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,050.74 : 18,367,869.81 = 7,198,479.22 : x
  2. Step 2: Convert to fraction form
    13,310,050.74/18,367,869.81 = 7,198,479.22/x
  3. Step 3: Cross multiply
    13,310,050.74x = 18,367,869.81 × 7,198,479.22
  4. Step 4: Simplify right side
    13,310,050.74x = 132,220,729,142,950.33
  5. Step 5: Solve for x
    x = 132,220,729,142,950.33/13,310,050.74
  6. Step 6: Final answer
    x = 9,933,901.21

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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.