Home / 6,388,455.70-8,816,023.83-3,487,846.42

Finding the Fourth Proportional to 6,388,455.70, 8,816,023.83 and 3,487,846.42

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Solution

The fourth proportional to 6,388,455.70, 8,816,023.83 and 3,487,846.42 is: 4,813,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,455.70 : 8,816,023.83 = 3,487,846.42 : x
  2. Step 2: Convert to fraction form
    6,388,455.70/8,816,023.83 = 3,487,846.42/x
  3. Step 3: Cross multiply
    6,388,455.70x = 8,816,023.83 × 3,487,846.42
  4. Step 4: Simplify right side
    6,388,455.70x = 30,748,937,154,100.19
  5. Step 5: Solve for x
    x = 30,748,937,154,100.19/6,388,455.70
  6. Step 6: Final answer
    x = 4,813,203.47

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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.