Home / 31,890,352.80-47,835,529.20-25,513,060.80

Finding the Fourth Proportional to 31,890,352.80, 47,835,529.20 and 25,513,060.80

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Solution

The fourth proportional to 31,890,352.80, 47,835,529.20 and 25,513,060.80 is: 38,269,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890,352.80 : 47,835,529.20 = 25,513,060.80 : x
  2. Step 2: Convert to fraction form
    31,890,352.80/47,835,529.20 = 25,513,060.80/x
  3. Step 3: Cross multiply
    31,890,352.80x = 47,835,529.20 × 25,513,060.80
  4. Step 4: Simplify right side
    31,890,352.80x = 1,220,430,764,879,775.50
  5. Step 5: Solve for x
    x = 1,220,430,764,879,775.50/31,890,352.80
  6. Step 6: Final answer
    x = 38,269,591.20

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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.