Home / 31,353,086.76-47,035,686.62-11,920,801.88

Finding the Fourth Proportional to 31,353,086.76, 47,035,686.62 and 11,920,801.88

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Solution

The fourth proportional to 31,353,086.76, 47,035,686.62 and 11,920,801.88 is: 17,883,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,086.76 : 47,035,686.62 = 11,920,801.88 : x
  2. Step 2: Convert to fraction form
    31,353,086.76/47,035,686.62 = 11,920,801.88/x
  3. Step 3: Cross multiply
    31,353,086.76x = 47,035,686.62 × 11,920,801.88
  4. Step 4: Simplify right side
    31,353,086.76x = 560,703,101,192,004.44
  5. Step 5: Solve for x
    x = 560,703,101,192,004.44/31,353,086.76
  6. Step 6: Final answer
    x = 17,883,505.55

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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.