Home / 38,648,865.24-53,336,096.52-21,245,943.96

Finding the Fourth Proportional to 38,648,865.24, 53,336,096.52 and 21,245,943.96

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Solution

The fourth proportional to 38,648,865.24, 53,336,096.52 and 21,245,943.96 is: 29,319,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648,865.24 : 53,336,096.52 = 21,245,943.96 : x
  2. Step 2: Convert to fraction form
    38,648,865.24/53,336,096.52 = 21,245,943.96/x
  3. Step 3: Cross multiply
    38,648,865.24x = 53,336,096.52 × 21,245,943.96
  4. Step 4: Simplify right side
    38,648,865.24x = 1,133,175,717,709,071.25
  5. Step 5: Solve for x
    x = 1,133,175,717,709,071.25/38,648,865.24
  6. Step 6: Final answer
    x = 29,319,766.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.