Home / 18,145,439.80-27,186,666.90-11,752,401.40

Finding the Fourth Proportional to 18,145,439.80, 27,186,666.90 and 11,752,401.40

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Solution

The fourth proportional to 18,145,439.80, 27,186,666.90 and 11,752,401.40 is: 17,608,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,439.80 : 27,186,666.90 = 11,752,401.40 : x
  2. Step 2: Convert to fraction form
    18,145,439.80/27,186,666.90 = 11,752,401.40/x
  3. Step 3: Cross multiply
    18,145,439.80x = 27,186,666.90 × 11,752,401.40
  4. Step 4: Simplify right side
    18,145,439.80x = 319,508,622,136,893.62
  5. Step 5: Solve for x
    x = 319,508,622,136,893.62/18,145,439.80
  6. Step 6: Final answer
    x = 17,608,204.91

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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.