Home / 19,418,331.69-29,119,919.58-7,281,174.24

Finding the Fourth Proportional to 19,418,331.69, 29,119,919.58 and 7,281,174.24

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Solution

The fourth proportional to 19,418,331.69, 29,119,919.58 and 7,281,174.24 is: 10,918,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418,331.69 : 29,119,919.58 = 7,281,174.24 : x
  2. Step 2: Convert to fraction form
    19,418,331.69/29,119,919.58 = 7,281,174.24/x
  3. Step 3: Cross multiply
    19,418,331.69x = 29,119,919.58 × 7,281,174.24
  4. Step 4: Simplify right side
    19,418,331.69x = 212,027,208,316,767.62
  5. Step 5: Solve for x
    x = 212,027,208,316,767.62/19,418,331.69
  6. Step 6: Final answer
    x = 10,918,919.90

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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.