Home / 47,918,561.63-71,849,072.45-21,978,368.73

Finding the Fourth Proportional to 47,918,561.63, 71,849,072.45 and 21,978,368.73

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Solution

The fourth proportional to 47,918,561.63, 71,849,072.45 and 21,978,368.73 is: 32,954,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918,561.63 : 71,849,072.45 = 21,978,368.73 : x
  2. Step 2: Convert to fraction form
    47,918,561.63/71,849,072.45 = 21,978,368.73/x
  3. Step 3: Cross multiply
    47,918,561.63x = 71,849,072.45 × 21,978,368.73
  4. Step 4: Simplify right side
    47,918,561.63x = 1,579,125,407,269,530.50
  5. Step 5: Solve for x
    x = 1,579,125,407,269,530.50/47,918,561.63
  6. Step 6: Final answer
    x = 32,954,357.43

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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.