Home / 21,999,665.80-32,986,376.70-13,486,112.20

Finding the Fourth Proportional to 21,999,665.80, 32,986,376.70 and 13,486,112.20

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Solution

The fourth proportional to 21,999,665.80, 32,986,376.70 and 13,486,112.20 is: 20,221,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,665.80 : 32,986,376.70 = 13,486,112.20 : x
  2. Step 2: Convert to fraction form
    21,999,665.80/32,986,376.70 = 13,486,112.20/x
  3. Step 3: Cross multiply
    21,999,665.80x = 32,986,376.70 × 13,486,112.20
  4. Step 4: Simplify right side
    21,999,665.80x = 444,857,977,247,665.69
  5. Step 5: Solve for x
    x = 444,857,977,247,665.69/21,999,665.80
  6. Step 6: Final answer
    x = 20,221,124.32

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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.