Home / 17,911,658-24,718,105.32-9,762,928.40

Finding the Fourth Proportional to 17,911,658, 24,718,105.32 and 9,762,928.40

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Solution

The fourth proportional to 17,911,658, 24,718,105.32 and 9,762,928.40 is: 13,472,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911,658 : 24,718,105.32 = 9,762,928.40 : x
  2. Step 2: Convert to fraction form
    17,911,658/24,718,105.32 = 9,762,928.40/x
  3. Step 3: Cross multiply
    17,911,658x = 24,718,105.32 × 9,762,928.40
  4. Step 4: Simplify right side
    17,911,658x = 241,321,092,422,819.09
  5. Step 5: Solve for x
    x = 241,321,092,422,819.09/17,911,658
  6. Step 6: Final answer
    x = 13,472,850.61

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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.