Home / 12,777,664.80-19,166,497.20-6,388,903.20

Finding the Fourth Proportional to 12,777,664.80, 19,166,497.20 and 6,388,903.20

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Solution

The fourth proportional to 12,777,664.80, 19,166,497.20 and 6,388,903.20 is: 9,583,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,664.80 : 19,166,497.20 = 6,388,903.20 : x
  2. Step 2: Convert to fraction form
    12,777,664.80/19,166,497.20 = 6,388,903.20/x
  3. Step 3: Cross multiply
    12,777,664.80x = 19,166,497.20 × 6,388,903.20
  4. Step 4: Simplify right side
    12,777,664.80x = 122,452,895,293,871.03
  5. Step 5: Solve for x
    x = 122,452,895,293,871.03/12,777,664.80
  6. Step 6: Final answer
    x = 9,583,354.80

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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.