Home / 13,031,047.53-17,982,847.82-7,229,815.43

Finding the Fourth Proportional to 13,031,047.53, 17,982,847.82 and 7,229,815.43

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Solution

The fourth proportional to 13,031,047.53, 17,982,847.82 and 7,229,815.43 is: 9,977,146.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,047.53 : 17,982,847.82 = 7,229,815.43 : x
  2. Step 2: Convert to fraction form
    13,031,047.53/17,982,847.82 = 7,229,815.43/x
  3. Step 3: Cross multiply
    13,031,047.53x = 17,982,847.82 × 7,229,815.43
  4. Step 4: Simplify right side
    13,031,047.53x = 130,012,670,563,271.67
  5. Step 5: Solve for x
    x = 130,012,670,563,271.67/13,031,047.53
  6. Step 6: Final answer
    x = 9,977,146.52

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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.