Home / 19,949,685.68-29,925,788.42-8,433,005.54

Finding the Fourth Proportional to 19,949,685.68, 29,925,788.42 and 8,433,005.54

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Solution

The fourth proportional to 19,949,685.68, 29,925,788.42 and 8,433,005.54 is: 12,650,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949,685.68 : 29,925,788.42 = 8,433,005.54 : x
  2. Step 2: Convert to fraction form
    19,949,685.68/29,925,788.42 = 8,433,005.54/x
  3. Step 3: Cross multiply
    19,949,685.68x = 29,925,788.42 × 8,433,005.54
  4. Step 4: Simplify right side
    19,949,685.68x = 252,364,339,342,933.88
  5. Step 5: Solve for x
    x = 252,364,339,342,933.88/19,949,685.68
  6. Step 6: Final answer
    x = 12,650,040.88

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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.