Home / 19,682,381.80-29,523,572.70-12,084,711.40

Finding the Fourth Proportional to 19,682,381.80, 29,523,572.70 and 12,084,711.40

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Solution

The fourth proportional to 19,682,381.80, 29,523,572.70 and 12,084,711.40 is: 18,127,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682,381.80 : 29,523,572.70 = 12,084,711.40 : x
  2. Step 2: Convert to fraction form
    19,682,381.80/29,523,572.70 = 12,084,711.40/x
  3. Step 3: Cross multiply
    19,682,381.80x = 29,523,572.70 × 12,084,711.40
  4. Step 4: Simplify right side
    19,682,381.80x = 356,783,855,576,418.81
  5. Step 5: Solve for x
    x = 356,783,855,576,418.81/19,682,381.80
  6. Step 6: Final answer
    x = 18,127,067.10

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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.