Home / 7,691,821.20-10,617,981.59-4,792,644.46

Finding the Fourth Proportional to 7,691,821.20, 10,617,981.59 and 4,792,644.46

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Solution

The fourth proportional to 7,691,821.20, 10,617,981.59 and 4,792,644.46 is: 6,615,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,821.20 : 10,617,981.59 = 4,792,644.46 : x
  2. Step 2: Convert to fraction form
    7,691,821.20/10,617,981.59 = 4,792,644.46/x
  3. Step 3: Cross multiply
    7,691,821.20x = 10,617,981.59 × 4,792,644.46
  4. Step 4: Simplify right side
    7,691,821.20x = 50,888,210,593,187.31
  5. Step 5: Solve for x
    x = 50,888,210,593,187.31/7,691,821.20
  6. Step 6: Final answer
    x = 6,615,885.79

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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.