Home / 16,480,790.25-22,738,852.06-12,985,292.43

Finding the Fourth Proportional to 16,480,790.25, 22,738,852.06 and 12,985,292.43

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Solution

The fourth proportional to 16,480,790.25, 22,738,852.06 and 12,985,292.43 is: 17,916,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480,790.25 : 22,738,852.06 = 12,985,292.43 : x
  2. Step 2: Convert to fraction form
    16,480,790.25/22,738,852.06 = 12,985,292.43/x
  3. Step 3: Cross multiply
    16,480,790.25x = 22,738,852.06 × 12,985,292.43
  4. Step 4: Simplify right side
    16,480,790.25x = 295,270,643,521,607.88
  5. Step 5: Solve for x
    x = 295,270,643,521,607.88/16,480,790.25
  6. Step 6: Final answer
    x = 17,916,048.87

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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.