Home / 12,994,887.36-17,933,086.38-7,193,765.94

Finding the Fourth Proportional to 12,994,887.36, 17,933,086.38 and 7,193,765.94

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Solution

The fourth proportional to 12,994,887.36, 17,933,086.38 and 7,193,765.94 is: 9,927,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994,887.36 : 17,933,086.38 = 7,193,765.94 : x
  2. Step 2: Convert to fraction form
    12,994,887.36/17,933,086.38 = 7,193,765.94/x
  3. Step 3: Cross multiply
    12,994,887.36x = 17,933,086.38 × 7,193,765.94
  4. Step 4: Simplify right side
    12,994,887.36x = 129,006,425,999,521.89
  5. Step 5: Solve for x
    x = 129,006,425,999,521.89/12,994,887.36
  6. Step 6: Final answer
    x = 9,927,475.51

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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.