Home / 12,136,257.90-18,192,139.65-6,061,646.70

Finding the Fourth Proportional to 12,136,257.90, 18,192,139.65 and 6,061,646.70

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Solution

The fourth proportional to 12,136,257.90, 18,192,139.65 and 6,061,646.70 is: 9,086,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,257.90 : 18,192,139.65 = 6,061,646.70 : x
  2. Step 2: Convert to fraction form
    12,136,257.90/18,192,139.65 = 6,061,646.70/x
  3. Step 3: Cross multiply
    12,136,257.90x = 18,192,139.65 × 6,061,646.70
  4. Step 4: Simplify right side
    12,136,257.90x = 110,274,323,275,361.66
  5. Step 5: Solve for x
    x = 110,274,323,275,361.66/12,136,257.90
  6. Step 6: Final answer
    x = 9,086,352.99

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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.