Home / 47,918,539.69-71,849,039.55-21,978,346.79

Finding the Fourth Proportional to 47,918,539.69, 71,849,039.55 and 21,978,346.79

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Solution

The fourth proportional to 47,918,539.69, 71,849,039.55 and 21,978,346.79 is: 32,954,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918,539.69 : 71,849,039.55 = 21,978,346.79 : x
  2. Step 2: Convert to fraction form
    47,918,539.69/71,849,039.55 = 21,978,346.79/x
  3. Step 3: Cross multiply
    47,918,539.69x = 71,849,039.55 × 21,978,346.79
  4. Step 4: Simplify right side
    47,918,539.69x = 1,579,123,107,855,529.50
  5. Step 5: Solve for x
    x = 1,579,123,107,855,529.50/47,918,539.69
  6. Step 6: Final answer
    x = 32,954,324.53

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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.