Home / 31,531,391.20-47,304,085.20-14,487,954.40

Finding the Fourth Proportional to 31,531,391.20, 47,304,085.20 and 14,487,954.40

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Solution

The fourth proportional to 31,531,391.20, 47,304,085.20 and 14,487,954.40 is: 21,735,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,531,391.20 : 47,304,085.20 = 14,487,954.40 : x
  2. Step 2: Convert to fraction form
    31,531,391.20/47,304,085.20 = 14,487,954.40/x
  3. Step 3: Cross multiply
    31,531,391.20x = 47,304,085.20 × 14,487,954.40
  4. Step 4: Simplify right side
    31,531,391.20x = 685,339,429,311,315
  5. Step 5: Solve for x
    x = 685,339,429,311,315/31,531,391.20
  6. Step 6: Final answer
    x = 21,735,147.21

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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.