Home / 14,202,389.70-21,291,142.95-8,524,872.90

Finding the Fourth Proportional to 14,202,389.70, 21,291,142.95 and 8,524,872.90

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Solution

The fourth proportional to 14,202,389.70, 21,291,142.95 and 8,524,872.90 is: 12,779,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202,389.70 : 21,291,142.95 = 8,524,872.90 : x
  2. Step 2: Convert to fraction form
    14,202,389.70/21,291,142.95 = 8,524,872.90/x
  3. Step 3: Cross multiply
    14,202,389.70x = 21,291,142.95 × 8,524,872.90
  4. Step 4: Simplify right side
    14,202,389.70x = 181,504,287,544,481.06
  5. Step 5: Solve for x
    x = 181,504,287,544,481.06/14,202,389.70
  6. Step 6: Final answer
    x = 12,779,841.38

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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.