Home / 12,873,863.18-17,759,792.90-9,381,714.44

Finding the Fourth Proportional to 12,873,863.18, 17,759,792.90 and 9,381,714.44

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Solution

The fourth proportional to 12,873,863.18, 17,759,792.90 and 9,381,714.44 is: 12,942,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,863.18 : 17,759,792.90 = 9,381,714.44 : x
  2. Step 2: Convert to fraction form
    12,873,863.18/17,759,792.90 = 9,381,714.44/x
  3. Step 3: Cross multiply
    12,873,863.18x = 17,759,792.90 × 9,381,714.44
  4. Step 4: Simplify right side
    12,873,863.18x = 166,617,305,435,994.81
  5. Step 5: Solve for x
    x = 166,617,305,435,994.81/12,873,863.18
  6. Step 6: Final answer
    x = 12,942,292.70

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1.5x scale

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.