Home / 15,297,073.38-21,111,486.18-11,422,868.49

Finding the Fourth Proportional to 15,297,073.38, 21,111,486.18 and 11,422,868.49

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Solution

The fourth proportional to 15,297,073.38, 21,111,486.18 and 11,422,868.49 is: 15,764,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297,073.38 : 21,111,486.18 = 11,422,868.49 : x
  2. Step 2: Convert to fraction form
    15,297,073.38/21,111,486.18 = 11,422,868.49/x
  3. Step 3: Cross multiply
    15,297,073.38x = 21,111,486.18 × 11,422,868.49
  4. Step 4: Simplify right side
    15,297,073.38x = 241,153,730,262,592.47
  5. Step 5: Solve for x
    x = 241,153,730,262,592.47/15,297,073.38
  6. Step 6: Final answer
    x = 15,764,697.22

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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.