Home / 11,664,001.40-17,496,002.10-8,789,991.80

Finding the Fourth Proportional to 11,664,001.40, 17,496,002.10 and 8,789,991.80

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Solution

The fourth proportional to 11,664,001.40, 17,496,002.10 and 8,789,991.80 is: 13,184,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664,001.40 : 17,496,002.10 = 8,789,991.80 : x
  2. Step 2: Convert to fraction form
    11,664,001.40/17,496,002.10 = 8,789,991.80/x
  3. Step 3: Cross multiply
    11,664,001.40x = 17,496,002.10 × 8,789,991.80
  4. Step 4: Simplify right side
    11,664,001.40x = 153,789,714,991,782.81
  5. Step 5: Solve for x
    x = 153,789,714,991,782.81/11,664,001.40
  6. Step 6: Final answer
    x = 13,184,987.70

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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.