Home / 19,729,346.70-29,594,020.05-18,217,692.30

Finding the Fourth Proportional to 19,729,346.70, 29,594,020.05 and 18,217,692.30

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Solution

The fourth proportional to 19,729,346.70, 29,594,020.05 and 18,217,692.30 is: 27,326,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,346.70 : 29,594,020.05 = 18,217,692.30 : x
  2. Step 2: Convert to fraction form
    19,729,346.70/29,594,020.05 = 18,217,692.30/x
  3. Step 3: Cross multiply
    19,729,346.70x = 29,594,020.05 × 18,217,692.30
  4. Step 4: Simplify right side
    19,729,346.70x = 539,134,751,190,930.62
  5. Step 5: Solve for x
    x = 539,134,751,190,930.62/19,729,346.70
  6. Step 6: Final answer
    x = 27,326,538.45

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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.