Home / 18,145,215.30-27,186,330.15-11,752,176.90

Finding the Fourth Proportional to 18,145,215.30, 27,186,330.15 and 11,752,176.90

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Solution

The fourth proportional to 18,145,215.30, 27,186,330.15 and 11,752,176.90 is: 17,607,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,215.30 : 27,186,330.15 = 11,752,176.90 : x
  2. Step 2: Convert to fraction form
    18,145,215.30/27,186,330.15 = 11,752,176.90/x
  3. Step 3: Cross multiply
    18,145,215.30x = 27,186,330.15 × 11,752,176.90
  4. Step 4: Simplify right side
    18,145,215.30x = 319,498,561,184,603.50
  5. Step 5: Solve for x
    x = 319,498,561,184,603.50/18,145,215.30
  6. Step 6: Final answer
    x = 17,607,868.29

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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.