Home / 7,169,783.65-9,894,176.63-3,906,625.34

Finding the Fourth Proportional to 7,169,783.65, 9,894,176.63 and 3,906,625.34

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Solution

The fourth proportional to 7,169,783.65, 9,894,176.63 and 3,906,625.34 is: 5,391,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,783.65 : 9,894,176.63 = 3,906,625.34 : x
  2. Step 2: Convert to fraction form
    7,169,783.65/9,894,176.63 = 3,906,625.34/x
  3. Step 3: Cross multiply
    7,169,783.65x = 9,894,176.63 × 3,906,625.34
  4. Step 4: Simplify right side
    7,169,783.65x = 38,652,841,161,045.96
  5. Step 5: Solve for x
    x = 38,652,841,161,045.96/7,169,783.65
  6. Step 6: Final answer
    x = 5,391,074.97

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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.