Home / 12,831,619.24-17,707,093.86-7,671,932.20

Finding the Fourth Proportional to 12,831,619.24, 17,707,093.86 and 7,671,932.20

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Solution

The fourth proportional to 12,831,619.24, 17,707,093.86 and 7,671,932.20 is: 10,586,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,619.24 : 17,707,093.86 = 7,671,932.20 : x
  2. Step 2: Convert to fraction form
    12,831,619.24/17,707,093.86 = 7,671,932.20/x
  3. Step 3: Cross multiply
    12,831,619.24x = 17,707,093.86 × 7,671,932.20
  4. Step 4: Simplify right side
    12,831,619.24x = 135,847,623,552,956.30
  5. Step 5: Solve for x
    x = 135,847,623,552,956.30/12,831,619.24
  6. Step 6: Final answer
    x = 10,586,943.16

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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.