Home / 31,104,003.40-46,656,005.10-20,951,657.80

Finding the Fourth Proportional to 31,104,003.40, 46,656,005.10 and 20,951,657.80

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Solution

The fourth proportional to 31,104,003.40, 46,656,005.10 and 20,951,657.80 is: 31,427,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,003.40 : 46,656,005.10 = 20,951,657.80 : x
  2. Step 2: Convert to fraction form
    31,104,003.40/46,656,005.10 = 20,951,657.80/x
  3. Step 3: Cross multiply
    31,104,003.40x = 46,656,005.10 × 20,951,657.80
  4. Step 4: Simplify right side
    31,104,003.40x = 977,520,653,170,254.88
  5. Step 5: Solve for x
    x = 977,520,653,170,254.88/31,104,003.40
  6. Step 6: Final answer
    x = 31,427,486.70

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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.