Home / 31,546,536.30-47,319,804.45-20,775,998.70

Finding the Fourth Proportional to 31,546,536.30, 47,319,804.45 and 20,775,998.70

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Solution

The fourth proportional to 31,546,536.30, 47,319,804.45 and 20,775,998.70 is: 31,163,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546,536.30 : 47,319,804.45 = 20,775,998.70 : x
  2. Step 2: Convert to fraction form
    31,546,536.30/47,319,804.45 = 20,775,998.70/x
  3. Step 3: Cross multiply
    31,546,536.30x = 47,319,804.45 × 20,775,998.70
  4. Step 4: Simplify right side
    31,546,536.30x = 983,116,195,737,454.25
  5. Step 5: Solve for x
    x = 983,116,195,737,454.25/31,546,536.30
  6. Step 6: Final answer
    x = 31,163,998.05

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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.