Home / 7,981,143.45-11,013,990.06-4,543,384.47

Finding the Fourth Proportional to 7,981,143.45, 11,013,990.06 and 4,543,384.47

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Solution

The fourth proportional to 7,981,143.45, 11,013,990.06 and 4,543,384.47 is: 6,269,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,143.45 : 11,013,990.06 = 4,543,384.47 : x
  2. Step 2: Convert to fraction form
    7,981,143.45/11,013,990.06 = 4,543,384.47/x
  3. Step 3: Cross multiply
    7,981,143.45x = 11,013,990.06 × 4,543,384.47
  4. Step 4: Simplify right side
    7,981,143.45x = 50,040,791,391,338.37
  5. Step 5: Solve for x
    x = 50,040,791,391,338.37/7,981,143.45
  6. Step 6: Final answer
    x = 6,269,877.46

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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.