Home / 12,658,439.44-17,468,699.94-6,857,221.21

Finding the Fourth Proportional to 12,658,439.44, 17,468,699.94 and 6,857,221.21

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Solution

The fourth proportional to 12,658,439.44, 17,468,699.94 and 6,857,221.21 is: 9,462,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,439.44 : 17,468,699.94 = 6,857,221.21 : x
  2. Step 2: Convert to fraction form
    12,658,439.44/17,468,699.94 = 6,857,221.21/x
  3. Step 3: Cross multiply
    12,658,439.44x = 17,468,699.94 × 6,857,221.21
  4. Step 4: Simplify right side
    12,658,439.44x = 119,786,739,739,693.73
  5. Step 5: Solve for x
    x = 119,786,739,739,693.73/12,658,439.44
  6. Step 6: Final answer
    x = 9,462,994.26

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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.