Home / 22,208,991.15-30,647,136.10-12,285,281.82

Finding the Fourth Proportional to 22,208,991.15, 30,647,136.10 and 12,285,281.82

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Solution

The fourth proportional to 22,208,991.15, 30,647,136.10 and 12,285,281.82 is: 16,952,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208,991.15 : 30,647,136.10 = 12,285,281.82 : x
  2. Step 2: Convert to fraction form
    22,208,991.15/30,647,136.10 = 12,285,281.82/x
  3. Step 3: Cross multiply
    22,208,991.15x = 30,647,136.10 × 12,285,281.82
  4. Step 4: Simplify right side
    22,208,991.15x = 376,508,703,964,395.75
  5. Step 5: Solve for x
    x = 376,508,703,964,395.75/22,208,991.15
  6. Step 6: Final answer
    x = 16,952,985.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.