Home / 20,203,062.40-30,298,208.31-7,248,923.56

Finding the Fourth Proportional to 20,203,062.40, 30,298,208.31 and 7,248,923.56

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Solution

The fourth proportional to 20,203,062.40, 30,298,208.31 and 7,248,923.56 is: 10,871,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,062.40 : 30,298,208.31 = 7,248,923.56 : x
  2. Step 2: Convert to fraction form
    20,203,062.40/30,298,208.31 = 7,248,923.56/x
  3. Step 3: Cross multiply
    20,203,062.40x = 30,298,208.31 × 7,248,923.56
  4. Step 4: Simplify right side
    20,203,062.40x = 219,629,396,044,146.75
  5. Step 5: Solve for x
    x = 219,629,396,044,146.75/20,203,062.40
  6. Step 6: Final answer
    x = 10,871,094.28

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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.