Home / 20,756,373.19-31,131,357.41-6,923,572.91

Finding the Fourth Proportional to 20,756,373.19, 31,131,357.41 and 6,923,572.91

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Solution

The fourth proportional to 20,756,373.19, 31,131,357.41 and 6,923,572.91 is: 10,384,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,756,373.19 : 31,131,357.41 = 6,923,572.91 : x
  2. Step 2: Convert to fraction form
    20,756,373.19/31,131,357.41 = 6,923,572.91/x
  3. Step 3: Cross multiply
    20,756,373.19x = 31,131,357.41 × 6,923,572.91
  4. Step 4: Simplify right side
    20,756,373.19x = 215,540,222,793,798.53
  5. Step 5: Solve for x
    x = 215,540,222,793,798.53/20,756,373.19
  6. Step 6: Final answer
    x = 10,384,291.17

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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.