Home / 8,718,792.64-13,080,071.28-2,653,998.56

Finding the Fourth Proportional to 8,718,792.64, 13,080,071.28 and 2,653,998.56

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Solution

The fourth proportional to 8,718,792.64, 13,080,071.28 and 2,653,998.56 is: 3,981,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,792.64 : 13,080,071.28 = 2,653,998.56 : x
  2. Step 2: Convert to fraction form
    8,718,792.64/13,080,071.28 = 2,653,998.56/x
  3. Step 3: Cross multiply
    8,718,792.64x = 13,080,071.28 × 2,653,998.56
  4. Step 4: Simplify right side
    8,718,792.64x = 34,714,490,341,817.36
  5. Step 5: Solve for x
    x = 34,714,490,341,817.36/8,718,792.64
  6. Step 6: Final answer
    x = 3,981,570.82

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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.