Home / 51,793,878.72-71,475,556.32-28,589,011.68

Finding the Fourth Proportional to 51,793,878.72, 71,475,556.32 and 28,589,011.68

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Solution

The fourth proportional to 51,793,878.72, 71,475,556.32 and 28,589,011.68 is: 39,452,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,793,878.72 : 71,475,556.32 = 28,589,011.68 : x
  2. Step 2: Convert to fraction form
    51,793,878.72/71,475,556.32 = 28,589,011.68/x
  3. Step 3: Cross multiply
    51,793,878.72x = 71,475,556.32 × 28,589,011.68
  4. Step 4: Simplify right side
    51,793,878.72x = 2,043,415,514,466,977.50
  5. Step 5: Solve for x
    x = 2,043,415,514,466,977.50/51,793,878.72
  6. Step 6: Final answer
    x = 39,452,838.15

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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.