Home / 38,847,429.50-53,609,265.79-21,443,622.48

Finding the Fourth Proportional to 38,847,429.50, 53,609,265.79 and 21,443,622.48

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Solution

The fourth proportional to 38,847,429.50, 53,609,265.79 and 21,443,622.48 is: 29,592,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847,429.50 : 53,609,265.79 = 21,443,622.48 : x
  2. Step 2: Convert to fraction form
    38,847,429.50/53,609,265.79 = 21,443,622.48/x
  3. Step 3: Cross multiply
    38,847,429.50x = 53,609,265.79 × 21,443,622.48
  4. Step 4: Simplify right side
    38,847,429.50x = 1,149,576,856,977,130
  5. Step 5: Solve for x
    x = 1,149,576,856,977,130/38,847,429.50
  6. Step 6: Final answer
    x = 29,592,095.85

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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.