Home / 7,624,497.97-10,521,990-4,139,983.60

Finding the Fourth Proportional to 7,624,497.97, 10,521,990 and 4,139,983.60

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Solution

The fourth proportional to 7,624,497.97, 10,521,990 and 4,139,983.60 is: 5,713,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624,497.97 : 10,521,990 = 4,139,983.60 : x
  2. Step 2: Convert to fraction form
    7,624,497.97/10,521,990 = 4,139,983.60/x
  3. Step 3: Cross multiply
    7,624,497.97x = 10,521,990 × 4,139,983.60
  4. Step 4: Simplify right side
    7,624,497.97x = 43,560,866,039,364
  5. Step 5: Solve for x
    x = 43,560,866,039,364/7,624,497.97
  6. Step 6: Final answer
    x = 5,713,276.63

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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.