Home / 31,421,922.67-43,361,572.46-18,191,657.06

Finding the Fourth Proportional to 31,421,922.67, 43,361,572.46 and 18,191,657.06

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Solution

The fourth proportional to 31,421,922.67, 43,361,572.46 and 18,191,657.06 is: 25,104,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421,922.67 : 43,361,572.46 = 18,191,657.06 : x
  2. Step 2: Convert to fraction form
    31,421,922.67/43,361,572.46 = 18,191,657.06/x
  3. Step 3: Cross multiply
    31,421,922.67x = 43,361,572.46 × 18,191,657.06
  4. Step 4: Simplify right side
    31,421,922.67x = 788,818,855,629,500.25
  5. Step 5: Solve for x
    x = 788,818,855,629,500.25/31,421,922.67
  6. Step 6: Final answer
    x = 25,104,092.58

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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.