Home / 31,490,930.80-47,257,391.40-14,442,828.40

Finding the Fourth Proportional to 31,490,930.80, 47,257,391.40 and 14,442,828.40

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Solution

The fourth proportional to 31,490,930.80, 47,257,391.40 and 14,442,828.40 is: 21,673,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,490,930.80 : 47,257,391.40 = 14,442,828.40 : x
  2. Step 2: Convert to fraction form
    31,490,930.80/47,257,391.40 = 14,442,828.40/x
  3. Step 3: Cross multiply
    31,490,930.80x = 47,257,391.40 × 14,442,828.40
  4. Step 4: Simplify right side
    31,490,930.80x = 682,530,394,621,835.75
  5. Step 5: Solve for x
    x = 682,530,394,621,835.75/31,490,930.80
  6. Step 6: Final answer
    x = 21,673,871.72

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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.