Home / 13,288,829.64-19,934,907.78-5,200,760.92

Finding the Fourth Proportional to 13,288,829.64, 19,934,907.78 and 5,200,760.92

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Solution

The fourth proportional to 13,288,829.64, 19,934,907.78 and 5,200,760.92 is: 7,801,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,829.64 : 19,934,907.78 = 5,200,760.92 : x
  2. Step 2: Convert to fraction form
    13,288,829.64/19,934,907.78 = 5,200,760.92/x
  3. Step 3: Cross multiply
    13,288,829.64x = 19,934,907.78 × 5,200,760.92
  4. Step 4: Simplify right side
    13,288,829.64x = 103,676,689,326,027.97
  5. Step 5: Solve for x
    x = 103,676,689,326,027.97/13,288,829.64
  6. Step 6: Final answer
    x = 7,801,792.34

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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.