Home / 6,388,510.78-8,816,099.23-3,487,901.56

Finding the Fourth Proportional to 6,388,510.78, 8,816,099.23 and 3,487,901.56

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Solution

The fourth proportional to 6,388,510.78, 8,816,099.23 and 3,487,901.56 is: 4,813,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,510.78 : 8,816,099.23 = 3,487,901.56 : x
  2. Step 2: Convert to fraction form
    6,388,510.78/8,816,099.23 = 3,487,901.56/x
  3. Step 3: Cross multiply
    6,388,510.78x = 8,816,099.23 × 3,487,901.56
  4. Step 4: Simplify right side
    6,388,510.78x = 30,749,686,239,751.43
  5. Step 5: Solve for x
    x = 30,749,686,239,751.43/6,388,510.78
  6. Step 6: Final answer
    x = 4,813,279.23

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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.