Home / 30,902,048.38-42,646,819.71-17,151,012.64

Finding the Fourth Proportional to 30,902,048.38, 42,646,819.71 and 17,151,012.64

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Solution

The fourth proportional to 30,902,048.38, 42,646,819.71 and 17,151,012.64 is: 23,669,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902,048.38 : 42,646,819.71 = 17,151,012.64 : x
  2. Step 2: Convert to fraction form
    30,902,048.38/42,646,819.71 = 17,151,012.64/x
  3. Step 3: Cross multiply
    30,902,048.38x = 42,646,819.71 × 17,151,012.64
  4. Step 4: Simplify right side
    30,902,048.38x = 731,436,143,902,011.12
  5. Step 5: Solve for x
    x = 731,436,143,902,011.12/30,902,048.38
  6. Step 6: Final answer
    x = 23,669,503.55

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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.