Home / 21,351,403.43-29,464,883.61-11,561,847.06

Finding the Fourth Proportional to 21,351,403.43, 29,464,883.61 and 11,561,847.06

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Solution

The fourth proportional to 21,351,403.43, 29,464,883.61 and 11,561,847.06 is: 15,955,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,403.43 : 29,464,883.61 = 11,561,847.06 : x
  2. Step 2: Convert to fraction form
    21,351,403.43/29,464,883.61 = 11,561,847.06/x
  3. Step 3: Cross multiply
    21,351,403.43x = 29,464,883.61 × 11,561,847.06
  4. Step 4: Simplify right side
    21,351,403.43x = 340,668,477,939,520.69
  5. Step 5: Solve for x
    x = 340,668,477,939,520.69/21,351,403.43
  6. Step 6: Final answer
    x = 15,955,320.18

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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.