Home / 12,994,853.87-17,933,040.05-7,193,732.48

Finding the Fourth Proportional to 12,994,853.87, 17,933,040.05 and 7,193,732.48

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Solution

The fourth proportional to 12,994,853.87, 17,933,040.05 and 7,193,732.48 is: 9,927,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,853.87 : 17,933,040.05 = 7,193,732.48 : x
  2. Step 2: Convert to fraction form
    12,994,853.87/17,933,040.05 = 7,193,732.48/x
  3. Step 3: Cross multiply
    12,994,853.87x = 17,933,040.05 × 7,193,732.48
  4. Step 4: Simplify right side
    12,994,853.87x = 129,005,492,672,825.84
  5. Step 5: Solve for x
    x = 129,005,492,672,825.84/12,994,853.87
  6. Step 6: Final answer
    x = 9,927,429.27

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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.