Home / 20,267,727.89-30,395,304.14-7,312,194.37

Finding the Fourth Proportional to 20,267,727.89, 30,395,304.14 and 7,312,194.37

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Solution

The fourth proportional to 20,267,727.89, 30,395,304.14 and 7,312,194.37 is: 10,966,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267,727.89 : 30,395,304.14 = 7,312,194.37 : x
  2. Step 2: Convert to fraction form
    20,267,727.89/30,395,304.14 = 7,312,194.37/x
  3. Step 3: Cross multiply
    20,267,727.89x = 30,395,304.14 × 7,312,194.37
  4. Step 4: Simplify right side
    20,267,727.89x = 222,256,371,654,969.19
  5. Step 5: Solve for x
    x = 222,256,371,654,969.19/20,267,727.89
  6. Step 6: Final answer
    x = 10,966,023.07

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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.