Home / 9,361,361.65-12,918,696.64-5,231,392.82

Finding the Fourth Proportional to 9,361,361.65, 12,918,696.64 and 5,231,392.82

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Solution

The fourth proportional to 9,361,361.65, 12,918,696.64 and 5,231,392.82 is: 7,219,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,361.65 : 12,918,696.64 = 5,231,392.82 : x
  2. Step 2: Convert to fraction form
    9,361,361.65/12,918,696.64 = 5,231,392.82/x
  3. Step 3: Cross multiply
    9,361,361.65x = 12,918,696.64 × 5,231,392.82
  4. Step 4: Simplify right side
    9,361,361.65x = 67,582,776,846,254.13
  5. Step 5: Solve for x
    x = 67,582,776,846,254.13/9,361,361.65
  6. Step 6: Final answer
    x = 7,219,331.91

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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.