Home / 12,901,179.08-19,363,726.02-6,515,915.54

Finding the Fourth Proportional to 12,901,179.08, 19,363,726.02 and 6,515,915.54

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Solution

The fourth proportional to 12,901,179.08, 19,363,726.02 and 6,515,915.54 is: 9,779,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901,179.08 : 19,363,726.02 = 6,515,915.54 : x
  2. Step 2: Convert to fraction form
    12,901,179.08/19,363,726.02 = 6,515,915.54/x
  3. Step 3: Cross multiply
    12,901,179.08x = 19,363,726.02 × 6,515,915.54
  4. Step 4: Simplify right side
    12,901,179.08x = 126,172,403,286,020.34
  5. Step 5: Solve for x
    x = 126,172,403,286,020.34/12,901,179.08
  6. Step 6: Final answer
    x = 9,779,912.56

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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.