Home / 12,796,028.82-17,658,521.10-6,994,834.20

Finding the Fourth Proportional to 12,796,028.82, 17,658,521.10 and 6,994,834.20

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Solution

The fourth proportional to 12,796,028.82, 17,658,521.10 and 6,994,834.20 is: 9,652,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796,028.82 : 17,658,521.10 = 6,994,834.20 : x
  2. Step 2: Convert to fraction form
    12,796,028.82/17,658,521.10 = 6,994,834.20/x
  3. Step 3: Cross multiply
    12,796,028.82x = 17,658,521.10 × 6,994,834.20
  4. Step 4: Simplify right side
    12,796,028.82x = 123,518,427,311,701.64
  5. Step 5: Solve for x
    x = 123,518,427,311,701.64/12,796,028.82
  6. Step 6: Final answer
    x = 9,652,871.92

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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.