Home / 20,757,740.48-31,139,582.20-6,382,015.19

Finding the Fourth Proportional to 20,757,740.48, 31,139,582.20 and 6,382,015.19

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Solution

The fourth proportional to 20,757,740.48, 31,139,582.20 and 6,382,015.19 is: 9,573,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,740.48 : 31,139,582.20 = 6,382,015.19 : x
  2. Step 2: Convert to fraction form
    20,757,740.48/31,139,582.20 = 6,382,015.19/x
  3. Step 3: Cross multiply
    20,757,740.48x = 31,139,582.20 × 6,382,015.19
  4. Step 4: Simplify right side
    20,757,740.48x = 198,733,286,439,000.66
  5. Step 5: Solve for x
    x = 198,733,286,439,000.66/20,757,740.48
  6. Step 6: Final answer
    x = 9,573,936.37

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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.