Home / 7,691,833.40-10,617,998.45-4,792,656.69

Finding the Fourth Proportional to 7,691,833.40, 10,617,998.45 and 4,792,656.69

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Solution

The fourth proportional to 7,691,833.40, 10,617,998.45 and 4,792,656.69 is: 6,615,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,833.40 : 10,617,998.45 = 4,792,656.69 : x
  2. Step 2: Convert to fraction form
    7,691,833.40/10,617,998.45 = 4,792,656.69/x
  3. Step 3: Cross multiply
    7,691,833.40x = 10,617,998.45 × 4,792,656.69
  4. Step 4: Simplify right side
    7,691,833.40x = 50,888,421,281,838.85
  5. Step 5: Solve for x
    x = 50,888,421,281,838.85/7,691,833.40
  6. Step 6: Final answer
    x = 6,615,902.69

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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.