Home / 18,384,048.80-27,576,073.20-12,219,333.20

Finding the Fourth Proportional to 18,384,048.80, 27,576,073.20 and 12,219,333.20

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Solution

The fourth proportional to 18,384,048.80, 27,576,073.20 and 12,219,333.20 is: 18,328,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384,048.80 : 27,576,073.20 = 12,219,333.20 : x
  2. Step 2: Convert to fraction form
    18,384,048.80/27,576,073.20 = 12,219,333.20/x
  3. Step 3: Cross multiply
    18,384,048.80x = 27,576,073.20 × 12,219,333.20
  4. Step 4: Simplify right side
    18,384,048.80x = 336,961,226,778,390.19
  5. Step 5: Solve for x
    x = 336,961,226,778,390.19/18,384,048.80
  6. Step 6: Final answer
    x = 18,328,999.80

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1.5x scale

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.