Home / 7,040,724.39-9,715,863.65-4,323,945.51

Finding the Fourth Proportional to 7,040,724.39, 9,715,863.65 and 4,323,945.51

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Solution

The fourth proportional to 7,040,724.39, 9,715,863.65 and 4,323,945.51 is: 5,966,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040,724.39 : 9,715,863.65 = 4,323,945.51 : x
  2. Step 2: Convert to fraction form
    7,040,724.39/9,715,863.65 = 4,323,945.51/x
  3. Step 3: Cross multiply
    7,040,724.39x = 9,715,863.65 × 4,323,945.51
  4. Step 4: Simplify right side
    7,040,724.39x = 42,010,864,983,569.98
  5. Step 5: Solve for x
    x = 42,010,864,983,569.98/7,040,724.39
  6. Step 6: Final answer
    x = 5,966,838.45

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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.