Home / 12,777,625.80-19,166,438.70-6,388,864.20

Finding the Fourth Proportional to 12,777,625.80, 19,166,438.70 and 6,388,864.20

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Solution

The fourth proportional to 12,777,625.80, 19,166,438.70 and 6,388,864.20 is: 9,583,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,625.80 : 19,166,438.70 = 6,388,864.20 : x
  2. Step 2: Convert to fraction form
    12,777,625.80/19,166,438.70 = 6,388,864.20/x
  3. Step 3: Cross multiply
    12,777,625.80x = 19,166,438.70 × 6,388,864.20
  4. Step 4: Simplify right side
    12,777,625.80x = 122,451,774,051,924.53
  5. Step 5: Solve for x
    x = 122,451,774,051,924.53/12,777,625.80
  6. Step 6: Final answer
    x = 9,583,296.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.