Home / 7,183,083.79-9,912,866.22-3,920,108.34

Finding the Fourth Proportional to 7,183,083.79, 9,912,866.22 and 3,920,108.34

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Solution

The fourth proportional to 7,183,083.79, 9,912,866.22 and 3,920,108.34 is: 5,409,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183,083.79 : 9,912,866.22 = 3,920,108.34 : x
  2. Step 2: Convert to fraction form
    7,183,083.79/9,912,866.22 = 3,920,108.34/x
  3. Step 3: Cross multiply
    7,183,083.79x = 9,912,866.22 × 3,920,108.34
  4. Step 4: Simplify right side
    7,183,083.79x = 38,859,509,542,326.27
  5. Step 5: Solve for x
    x = 38,859,509,542,326.27/7,183,083.79
  6. Step 6: Final answer
    x = 5,409,864.44

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1.5x scale

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.