Home / 12,890,083.23-17,787,959.64-7,088,864.85

Finding the Fourth Proportional to 12,890,083.23, 17,787,959.64 and 7,088,864.85

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Solution

The fourth proportional to 12,890,083.23, 17,787,959.64 and 7,088,864.85 is: 9,782,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890,083.23 : 17,787,959.64 = 7,088,864.85 : x
  2. Step 2: Convert to fraction form
    12,890,083.23/17,787,959.64 = 7,088,864.85/x
  3. Step 3: Cross multiply
    12,890,083.23x = 17,787,959.64 × 7,088,864.85
  4. Step 4: Simplify right side
    12,890,083.23x = 126,096,441,845,214.66
  5. Step 5: Solve for x
    x = 126,096,441,845,214.66/12,890,083.23
  6. Step 6: Final answer
    x = 9,782,438.14

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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.