Home / 31,557,076.18-43,545,447.58-18,323,666.30

Finding the Fourth Proportional to 31,557,076.18, 43,545,447.58 and 18,323,666.30

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Solution

The fourth proportional to 31,557,076.18, 43,545,447.58 and 18,323,666.30 is: 25,284,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557,076.18 : 43,545,447.58 = 18,323,666.30 : x
  2. Step 2: Convert to fraction form
    31,557,076.18/43,545,447.58 = 18,323,666.30/x
  3. Step 3: Cross multiply
    31,557,076.18x = 43,545,447.58 × 18,323,666.30
  4. Step 4: Simplify right side
    31,557,076.18x = 797,912,250,340,062.50
  5. Step 5: Solve for x
    x = 797,912,250,340,062.50/31,557,076.18
  6. Step 6: Final answer
    x = 25,284,733.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.