Home / 19,388,546.40-29,082,819.60-5,742,184.80

Finding the Fourth Proportional to 19,388,546.40, 29,082,819.60 and 5,742,184.80

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Solution

The fourth proportional to 19,388,546.40, 29,082,819.60 and 5,742,184.80 is: 8,613,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388,546.40 : 29,082,819.60 = 5,742,184.80 : x
  2. Step 2: Convert to fraction form
    19,388,546.40/29,082,819.60 = 5,742,184.80/x
  3. Step 3: Cross multiply
    19,388,546.40x = 29,082,819.60 × 5,742,184.80
  4. Step 4: Simplify right side
    19,388,546.40x = 166,998,924,648,262.09
  5. Step 5: Solve for x
    x = 166,998,924,648,262.09/19,388,546.40
  6. Step 6: Final answer
    x = 8,613,277.20

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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.