Home / 20,067,711.16-30,106,052.29-6,421,676.87

Finding the Fourth Proportional to 20,067,711.16, 30,106,052.29 and 6,421,676.87

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Solution

The fourth proportional to 20,067,711.16, 30,106,052.29 and 6,421,676.87 is: 9,633,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067,711.16 : 30,106,052.29 = 6,421,676.87 : x
  2. Step 2: Convert to fraction form
    20,067,711.16/30,106,052.29 = 6,421,676.87/x
  3. Step 3: Cross multiply
    20,067,711.16x = 30,106,052.29 × 6,421,676.87
  4. Step 4: Simplify right side
    20,067,711.16x = 193,331,339,637,703.53
  5. Step 5: Solve for x
    x = 193,331,339,637,703.53/20,067,711.16
  6. Step 6: Final answer
    x = 9,633,950.68

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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.