Home / 21,193,442.56-31,794,904.56-7,730,270.56

Finding the Fourth Proportional to 21,193,442.56, 31,794,904.56 and 7,730,270.56

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Solution

The fourth proportional to 21,193,442.56, 31,794,904.56 and 7,730,270.56 is: 11,597,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193,442.56 : 31,794,904.56 = 7,730,270.56 : x
  2. Step 2: Convert to fraction form
    21,193,442.56/31,794,904.56 = 7,730,270.56/x
  3. Step 3: Cross multiply
    21,193,442.56x = 31,794,904.56 × 7,730,270.56
  4. Step 4: Simplify right side
    21,193,442.56x = 245,783,214,678,177.72
  5. Step 5: Solve for x
    x = 245,783,214,678,177.72/21,193,442.56
  6. Step 6: Final answer
    x = 11,597,135.01

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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.