Home / 7,169,718.96-9,894,087.36-3,906,560.51

Finding the Fourth Proportional to 7,169,718.96, 9,894,087.36 and 3,906,560.51

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Solution

The fourth proportional to 7,169,718.96, 9,894,087.36 and 3,906,560.51 is: 5,390,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,718.96 : 9,894,087.36 = 3,906,560.51 : x
  2. Step 2: Convert to fraction form
    7,169,718.96/9,894,087.36 = 3,906,560.51/x
  3. Step 3: Cross multiply
    7,169,718.96x = 9,894,087.36 × 3,906,560.51
  4. Step 4: Simplify right side
    7,169,718.96x = 38,651,850,950,698.54
  5. Step 5: Solve for x
    x = 38,651,850,950,698.54/7,169,718.96
  6. Step 6: Final answer
    x = 5,390,985.50

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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.