Home / 15,019,355.24-20,727,117.86-8,493,960.52

Finding the Fourth Proportional to 15,019,355.24, 20,727,117.86 and 8,493,960.52

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Solution

The fourth proportional to 15,019,355.24, 20,727,117.86 and 8,493,960.52 is: 11,721,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,355.24 : 20,727,117.86 = 8,493,960.52 : x
  2. Step 2: Convert to fraction form
    15,019,355.24/20,727,117.86 = 8,493,960.52/x
  3. Step 3: Cross multiply
    15,019,355.24x = 20,727,117.86 × 8,493,960.52
  4. Step 4: Simplify right side
    15,019,355.24x = 176,055,320,796,226.88
  5. Step 5: Solve for x
    x = 176,055,320,796,226.88/15,019,355.24
  6. Step 6: Final answer
    x = 11,721,896.05

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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.