Home / 20,417,343.17-30,629,058.39-7,285,738.19

Finding the Fourth Proportional to 20,417,343.17, 30,629,058.39 and 7,285,738.19

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Solution

The fourth proportional to 20,417,343.17, 30,629,058.39 and 7,285,738.19 is: 10,929,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,343.17 : 30,629,058.39 = 7,285,738.19 : x
  2. Step 2: Convert to fraction form
    20,417,343.17/30,629,058.39 = 7,285,738.19/x
  3. Step 3: Cross multiply
    20,417,343.17x = 30,629,058.39 × 7,285,738.19
  4. Step 4: Simplify right side
    20,417,343.17x = 223,155,300,282,617.62
  5. Step 5: Solve for x
    x = 223,155,300,282,617.62/20,417,343.17
  6. Step 6: Final answer
    x = 10,929,693.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.