Home / 21,976,516.40-32,976,584.40-9,198,312.80

Finding the Fourth Proportional to 21,976,516.40, 32,976,584.40 and 9,198,312.80

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Solution

The fourth proportional to 21,976,516.40, 32,976,584.40 and 9,198,312.80 is: 13,802,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976,516.40 : 32,976,584.40 = 9,198,312.80 : x
  2. Step 2: Convert to fraction form
    21,976,516.40/32,976,584.40 = 9,198,312.80/x
  3. Step 3: Cross multiply
    21,976,516.40x = 32,976,584.40 × 9,198,312.80
  4. Step 4: Simplify right side
    21,976,516.40x = 303,328,938,386,800.31
  5. Step 5: Solve for x
    x = 303,328,938,386,800.31/21,976,516.40
  6. Step 6: Final answer
    x = 13,802,412.21

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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.