Home / 31,163,323.78-46,730,273.28-18,213,189.58

Finding the Fourth Proportional to 31,163,323.78, 46,730,273.28 and 18,213,189.58

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Solution

The fourth proportional to 31,163,323.78, 46,730,273.28 and 18,213,189.58 is: 27,311,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163,323.78 : 46,730,273.28 = 18,213,189.58 : x
  2. Step 2: Convert to fraction form
    31,163,323.78/46,730,273.28 = 18,213,189.58/x
  3. Step 3: Cross multiply
    31,163,323.78x = 46,730,273.28 × 18,213,189.58
  4. Step 4: Simplify right side
    31,163,323.78x = 851,107,326,373,848.38
  5. Step 5: Solve for x
    x = 851,107,326,373,848.38/31,163,323.78
  6. Step 6: Final answer
    x = 27,311,185.82

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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.