Home / 12,672,024.30-19,008,036.45-7,633,176.30

Finding the Fourth Proportional to 12,672,024.30, 19,008,036.45 and 7,633,176.30

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Solution

The fourth proportional to 12,672,024.30, 19,008,036.45 and 7,633,176.30 is: 11,449,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,024.30 : 19,008,036.45 = 7,633,176.30 : x
  2. Step 2: Convert to fraction form
    12,672,024.30/19,008,036.45 = 7,633,176.30/x
  3. Step 3: Cross multiply
    12,672,024.30x = 19,008,036.45 × 7,633,176.30
  4. Step 4: Simplify right side
    12,672,024.30x = 145,091,693,339,676.12
  5. Step 5: Solve for x
    x = 145,091,693,339,676.12/12,672,024.30
  6. Step 6: Final answer
    x = 11,449,764.45

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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.