Home / 12,927,312-19,391,745.60-3,951,941.76

Finding the Fourth Proportional to 12,927,312, 19,391,745.60 and 3,951,941.76

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Solution

The fourth proportional to 12,927,312, 19,391,745.60 and 3,951,941.76 is: 5,928,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,312 : 19,391,745.60 = 3,951,941.76 : x
  2. Step 2: Convert to fraction form
    12,927,312/19,391,745.60 = 3,951,941.76/x
  3. Step 3: Cross multiply
    12,927,312x = 19,391,745.60 × 3,951,941.76
  4. Step 4: Simplify right side
    12,927,312x = 76,635,049,235,936.25
  5. Step 5: Solve for x
    x = 76,635,049,235,936.25/12,927,312
  6. Step 6: Final answer
    x = 5,928,150.36

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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.