Home / 36,678,420.30-55,017,630.45-19,672,308.30

Finding the Fourth Proportional to 36,678,420.30, 55,017,630.45 and 19,672,308.30

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Solution

The fourth proportional to 36,678,420.30, 55,017,630.45 and 19,672,308.30 is: 29,508,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678,420.30 : 55,017,630.45 = 19,672,308.30 : x
  2. Step 2: Convert to fraction form
    36,678,420.30/55,017,630.45 = 19,672,308.30/x
  3. Step 3: Cross multiply
    36,678,420.30x = 55,017,630.45 × 19,672,308.30
  4. Step 4: Simplify right side
    36,678,420.30x = 1,082,323,788,147,867.88
  5. Step 5: Solve for x
    x = 1,082,323,788,147,867.88/36,678,420.30
  6. Step 6: Final answer
    x = 29,508,462.45

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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.