Home / 20,191,013.67-30,294,153.52-7,903,758.39

Finding the Fourth Proportional to 20,191,013.67, 30,294,153.52 and 7,903,758.39

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Solution

The fourth proportional to 20,191,013.67, 30,294,153.52 and 7,903,758.39 is: 11,858,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191,013.67 : 30,294,153.52 = 7,903,758.39 : x
  2. Step 2: Convert to fraction form
    20,191,013.67/30,294,153.52 = 7,903,758.39/x
  3. Step 3: Cross multiply
    20,191,013.67x = 30,294,153.52 × 7,903,758.39
  4. Step 4: Simplify right side
    20,191,013.67x = 239,437,670,025,721.12
  5. Step 5: Solve for x
    x = 239,437,670,025,721.12/20,191,013.67
  6. Step 6: Final answer
    x = 11,858,625.52

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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.