Home / 18,686,646.80-28,003,726.20-14,855,022.80

Finding the Fourth Proportional to 18,686,646.80, 28,003,726.20 and 14,855,022.80

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Solution

The fourth proportional to 18,686,646.80, 28,003,726.20 and 14,855,022.80 is: 22,261,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,646.80 : 28,003,726.20 = 14,855,022.80 : x
  2. Step 2: Convert to fraction form
    18,686,646.80/28,003,726.20 = 14,855,022.80/x
  3. Step 3: Cross multiply
    18,686,646.80x = 28,003,726.20 × 14,855,022.80
  4. Step 4: Simplify right side
    18,686,646.80x = 415,995,991,185,957.38
  5. Step 5: Solve for x
    x = 415,995,991,185,957.38/18,686,646.80
  6. Step 6: Final answer
    x = 22,261,671.43

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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.