Home / 12,136,840.83-18,212,443.52-4,465,872.36

Finding the Fourth Proportional to 12,136,840.83, 18,212,443.52 and 4,465,872.36

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Solution

The fourth proportional to 12,136,840.83, 18,212,443.52 and 4,465,872.36 is: 6,701,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,840.83 : 18,212,443.52 = 4,465,872.36 : x
  2. Step 2: Convert to fraction form
    12,136,840.83/18,212,443.52 = 4,465,872.36/x
  3. Step 3: Cross multiply
    12,136,840.83x = 18,212,443.52 × 4,465,872.36
  4. Step 4: Simplify right side
    12,136,840.83x = 81,334,448,101,699.75
  5. Step 5: Solve for x
    x = 81,334,448,101,699.75/12,136,840.83
  6. Step 6: Final answer
    x = 6,701,451.33

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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.