Home / 42,362,902.89-63,515,344.80-21,573,097.84

Finding the Fourth Proportional to 42,362,902.89, 63,515,344.80 and 21,573,097.84

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Solution

The fourth proportional to 42,362,902.89, 63,515,344.80 and 21,573,097.84 is: 32,344,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,362,902.89 : 63,515,344.80 = 21,573,097.84 : x
  2. Step 2: Convert to fraction form
    42,362,902.89/63,515,344.80 = 21,573,097.84/x
  3. Step 3: Cross multiply
    42,362,902.89x = 63,515,344.80 × 21,573,097.84
  4. Step 4: Simplify right side
    42,362,902.89x = 1,370,222,747,720,326.50
  5. Step 5: Solve for x
    x = 1,370,222,747,720,326.50/42,362,902.89
  6. Step 6: Final answer
    x = 32,344,873.80

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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.