Home / 31,432,605.20-47,148,907.80-27,653,469.20

Finding the Fourth Proportional to 31,432,605.20, 47,148,907.80 and 27,653,469.20

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Solution

The fourth proportional to 31,432,605.20, 47,148,907.80 and 27,653,469.20 is: 41,480,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432,605.20 : 47,148,907.80 = 27,653,469.20 : x
  2. Step 2: Convert to fraction form
    31,432,605.20/47,148,907.80 = 27,653,469.20/x
  3. Step 3: Cross multiply
    31,432,605.20x = 47,148,907.80 × 27,653,469.20
  4. Step 4: Simplify right side
    31,432,605.20x = 1,303,830,869,660,939.75
  5. Step 5: Solve for x
    x = 1,303,830,869,660,939.75/31,432,605.20
  6. Step 6: Final answer
    x = 41,480,203.80

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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.