Home / 12,449,103.12-17,179,728.95-6,942,484.31

Finding the Fourth Proportional to 12,449,103.12, 17,179,728.95 and 6,942,484.31

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Solution

The fourth proportional to 12,449,103.12, 17,179,728.95 and 6,942,484.31 is: 9,580,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,103.12 : 17,179,728.95 = 6,942,484.31 : x
  2. Step 2: Convert to fraction form
    12,449,103.12/17,179,728.95 = 6,942,484.31/x
  3. Step 3: Cross multiply
    12,449,103.12x = 17,179,728.95 × 6,942,484.31
  4. Step 4: Simplify right side
    12,449,103.12x = 119,269,998,616,885.34
  5. Step 5: Solve for x
    x = 119,269,998,616,885.34/12,449,103.12
  6. Step 6: Final answer
    x = 9,580,609.74

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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.