Home / 7,623,974.68-10,521,085.11-4,186,215.73

Finding the Fourth Proportional to 7,623,974.68, 10,521,085.11 and 4,186,215.73

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Solution

The fourth proportional to 7,623,974.68, 10,521,085.11 and 4,186,215.73 is: 5,776,977.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623,974.68 : 10,521,085.11 = 4,186,215.73 : x
  2. Step 2: Convert to fraction form
    7,623,974.68/10,521,085.11 = 4,186,215.73/x
  3. Step 3: Cross multiply
    7,623,974.68x = 10,521,085.11 × 4,186,215.73
  4. Step 4: Simplify right side
    7,623,974.68x = 44,043,531,984,150.78
  5. Step 5: Solve for x
    x = 44,043,531,984,150.78/7,623,974.68
  6. Step 6: Final answer
    x = 5,776,977.74

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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.