Home / 15,060,171.52-20,783,166.60-8,184,655

Finding the Fourth Proportional to 15,060,171.52, 20,783,166.60 and 8,184,655

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Solution

The fourth proportional to 15,060,171.52, 20,783,166.60 and 8,184,655 is: 11,294,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060,171.52 : 20,783,166.60 = 8,184,655 : x
  2. Step 2: Convert to fraction form
    15,060,171.52/20,783,166.60 = 8,184,655/x
  3. Step 3: Cross multiply
    15,060,171.52x = 20,783,166.60 × 8,184,655
  4. Step 4: Simplify right side
    15,060,171.52x = 170,103,048,428,523
  5. Step 5: Solve for x
    x = 170,103,048,428,523/15,060,171.52
  6. Step 6: Final answer
    x = 11,294,894.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.