Home / 12,777,954.21-19,166,963.09-5,102,223.89

Finding the Fourth Proportional to 12,777,954.21, 19,166,963.09 and 5,102,223.89

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Solution

The fourth proportional to 12,777,954.21, 19,166,963.09 and 5,102,223.89 is: 7,653,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,954.21 : 19,166,963.09 = 5,102,223.89 : x
  2. Step 2: Convert to fraction form
    12,777,954.21/19,166,963.09 = 5,102,223.89/x
  3. Step 3: Cross multiply
    12,777,954.21x = 19,166,963.09 × 5,102,223.89
  4. Step 4: Simplify right side
    12,777,954.21x = 97,794,136,855,200.28
  5. Step 5: Solve for x
    x = 97,794,136,855,200.28/12,777,954.21
  6. Step 6: Final answer
    x = 7,653,348.51

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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.