Home / 20,722,562.10-31,071,401.55-10,644,866.10

Finding the Fourth Proportional to 20,722,562.10, 31,071,401.55 and 10,644,866.10

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Solution

The fourth proportional to 20,722,562.10, 31,071,401.55 and 10,644,866.10 is: 15,960,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,562.10 : 31,071,401.55 = 10,644,866.10 : x
  2. Step 2: Convert to fraction form
    20,722,562.10/31,071,401.55 = 10,644,866.10/x
  3. Step 3: Cross multiply
    20,722,562.10x = 31,071,401.55 × 10,644,866.10
  4. Step 4: Simplify right side
    20,722,562.10x = 330,750,909,039,082.44
  5. Step 5: Solve for x
    x = 330,750,909,039,082.44/20,722,562.10
  6. Step 6: Final answer
    x = 15,960,908.09

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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.