Home / 40,890,062.40-61,282,994.40-21,729,998.40

Finding the Fourth Proportional to 40,890,062.40, 61,282,994.40 and 21,729,998.40

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Solution

The fourth proportional to 40,890,062.40, 61,282,994.40 and 21,729,998.40 is: 32,567,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890,062.40 : 61,282,994.40 = 21,729,998.40 : x
  2. Step 2: Convert to fraction form
    40,890,062.40/61,282,994.40 = 21,729,998.40/x
  3. Step 3: Cross multiply
    40,890,062.40x = 61,282,994.40 × 21,729,998.40
  4. Step 4: Simplify right side
    40,890,062.40x = 1,331,679,370,259,208.75
  5. Step 5: Solve for x
    x = 1,331,679,370,259,208.75/40,890,062.40
  6. Step 6: Final answer
    x = 32,567,310.79

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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.