Home / 18,373,991.40-27,560,987.10-12,705,287.40

Finding the Fourth Proportional to 18,373,991.40, 27,560,987.10 and 12,705,287.40

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Solution

The fourth proportional to 18,373,991.40, 27,560,987.10 and 12,705,287.40 is: 19,057,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373,991.40 : 27,560,987.10 = 12,705,287.40 : x
  2. Step 2: Convert to fraction form
    18,373,991.40/27,560,987.10 = 12,705,287.40/x
  3. Step 3: Cross multiply
    18,373,991.40x = 27,560,987.10 × 12,705,287.40
  4. Step 4: Simplify right side
    18,373,991.40x = 350,170,262,133,192.56
  5. Step 5: Solve for x
    x = 350,170,262,133,192.56/18,373,991.40
  6. Step 6: Final answer
    x = 19,057,931.10

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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.