Home / 36,882,854.90-50,902,802.97-20,991,803.34

Finding the Fourth Proportional to 36,882,854.90, 50,902,802.97 and 20,991,803.34

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Solution

The fourth proportional to 36,882,854.90, 50,902,802.97 and 20,991,803.34 is: 28,971,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,882,854.90 : 50,902,802.97 = 20,991,803.34 : x
  2. Step 2: Convert to fraction form
    36,882,854.90/50,902,802.97 = 20,991,803.34/x
  3. Step 3: Cross multiply
    36,882,854.90x = 50,902,802.97 × 20,991,803.34
  4. Step 4: Simplify right side
    36,882,854.90x = 1,068,541,629,513,174.25
  5. Step 5: Solve for x
    x = 1,068,541,629,513,174.25/36,882,854.90
  6. Step 6: Final answer
    x = 28,971,228.84

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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.