Home / 38,494,331.51-53,120,146.20-21,973,799.12

Finding the Fourth Proportional to 38,494,331.51, 53,120,146.20 and 21,973,799.12

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Solution

The fourth proportional to 38,494,331.51, 53,120,146.20 and 21,973,799.12 is: 30,322,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494,331.51 : 53,120,146.20 = 21,973,799.12 : x
  2. Step 2: Convert to fraction form
    38,494,331.51/53,120,146.20 = 21,973,799.12/x
  3. Step 3: Cross multiply
    38,494,331.51x = 53,120,146.20 × 21,973,799.12
  4. Step 4: Simplify right side
    38,494,331.51x = 1,167,251,421,836,420
  5. Step 5: Solve for x
    x = 1,167,251,421,836,420/38,494,331.51
  6. Step 6: Final answer
    x = 30,322,683.26

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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.