Home / 7,890,822.77-11,839,644-4,243,289.39

Finding the Fourth Proportional to 7,890,822.77, 11,839,644 and 4,243,289.39

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Solution

The fourth proportional to 7,890,822.77, 11,839,644 and 4,243,289.39 is: 6,366,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,822.77 : 11,839,644 = 4,243,289.39 : x
  2. Step 2: Convert to fraction form
    7,890,822.77/11,839,644 = 4,243,289.39/x
  3. Step 3: Cross multiply
    7,890,822.77x = 11,839,644 × 4,243,289.39
  4. Step 4: Simplify right side
    7,890,822.77x = 50,239,035,707,378.94
  5. Step 5: Solve for x
    x = 50,239,035,707,378.94/7,890,822.77
  6. Step 6: Final answer
    x = 6,366,767.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.