Home / 31,389,128.40-47,085,247.80-16,272,584.40

Finding the Fourth Proportional to 31,389,128.40, 47,085,247.80 and 16,272,584.40

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Solution

The fourth proportional to 31,389,128.40, 47,085,247.80 and 16,272,584.40 is: 24,409,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389,128.40 : 47,085,247.80 = 16,272,584.40 : x
  2. Step 2: Convert to fraction form
    31,389,128.40/47,085,247.80 = 16,272,584.40/x
  3. Step 3: Cross multiply
    31,389,128.40x = 47,085,247.80 × 16,272,584.40
  4. Step 4: Simplify right side
    31,389,128.40x = 766,198,668,820,414.25
  5. Step 5: Solve for x
    x = 766,198,668,820,414.25/31,389,128.40
  6. Step 6: Final answer
    x = 24,409,682.84

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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.