Home / 12,943,025.91-17,867,842.29-8,049,825.36

Finding the Fourth Proportional to 12,943,025.91, 17,867,842.29 and 8,049,825.36

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Solution

The fourth proportional to 12,943,025.91, 17,867,842.29 and 8,049,825.36 is: 11,112,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,025.91 : 17,867,842.29 = 8,049,825.36 : x
  2. Step 2: Convert to fraction form
    12,943,025.91/17,867,842.29 = 8,049,825.36/x
  3. Step 3: Cross multiply
    12,943,025.91x = 17,867,842.29 × 8,049,825.36
  4. Step 4: Simplify right side
    12,943,025.91x = 143,833,009,994,522.47
  5. Step 5: Solve for x
    x = 143,833,009,994,522.47/12,943,025.91
  6. Step 6: Final answer
    x = 11,112,780.81

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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.