Home / 21,982,138.80-32,973,208.20-10,644,730.80

Finding the Fourth Proportional to 21,982,138.80, 32,973,208.20 and 10,644,730.80

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Solution

The fourth proportional to 21,982,138.80, 32,973,208.20 and 10,644,730.80 is: 15,967,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982,138.80 : 32,973,208.20 = 10,644,730.80 : x
  2. Step 2: Convert to fraction form
    21,982,138.80/32,973,208.20 = 10,644,730.80/x
  3. Step 3: Cross multiply
    21,982,138.80x = 32,973,208.20 × 10,644,730.80
  4. Step 4: Simplify right side
    21,982,138.80x = 350,990,924,901,352.56
  5. Step 5: Solve for x
    x = 350,990,924,901,352.56/21,982,138.80
  6. Step 6: Final answer
    x = 15,967,096.20

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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.