Home / 20,062,098.38-30,083,662.82-7,771,818.58

Finding the Fourth Proportional to 20,062,098.38, 30,083,662.82 and 7,771,818.58

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Solution

The fourth proportional to 20,062,098.38, 30,083,662.82 and 7,771,818.58 is: 11,654,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062,098.38 : 30,083,662.82 = 7,771,818.58 : x
  2. Step 2: Convert to fraction form
    20,062,098.38/30,083,662.82 = 7,771,818.58/x
  3. Step 3: Cross multiply
    20,062,098.38x = 30,083,662.82 × 7,771,818.58
  4. Step 4: Simplify right side
    20,062,098.38x = 233,804,769,658,931.19
  5. Step 5: Solve for x
    x = 233,804,769,658,931.19/20,062,098.38
  6. Step 6: Final answer
    x = 11,654,053.59

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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.