Home / 45,791,585.97-68,689,997.32-12,999,589.91

Finding the Fourth Proportional to 45,791,585.97, 68,689,997.32 and 12,999,589.91

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Solution

The fourth proportional to 45,791,585.97, 68,689,997.32 and 12,999,589.91 is: 19,500,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,791,585.97 : 68,689,997.32 = 12,999,589.91 : x
  2. Step 2: Convert to fraction form
    45,791,585.97/68,689,997.32 = 12,999,589.91/x
  3. Step 3: Cross multiply
    45,791,585.97x = 68,689,997.32 × 12,999,589.91
  4. Step 4: Simplify right side
    45,791,585.97x = 892,941,795,954,987.12
  5. Step 5: Solve for x
    x = 892,941,795,954,987.12/45,791,585.97
  6. Step 6: Final answer
    x = 19,500,128.18

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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.