Home / 31,505,934.40-47,240,239.20-16,389,390.40

Finding the Fourth Proportional to 31,505,934.40, 47,240,239.20 and 16,389,390.40

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Solution

The fourth proportional to 31,505,934.40, 47,240,239.20 and 16,389,390.40 is: 24,574,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505,934.40 : 47,240,239.20 = 16,389,390.40 : x
  2. Step 2: Convert to fraction form
    31,505,934.40/47,240,239.20 = 16,389,390.40/x
  3. Step 3: Cross multiply
    31,505,934.40x = 47,240,239.20 × 16,389,390.40
  4. Step 4: Simplify right side
    31,505,934.40x = 774,238,722,838,183.75
  5. Step 5: Solve for x
    x = 774,238,722,838,183.75/31,505,934.40
  6. Step 6: Final answer
    x = 24,574,377.42

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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.