Home / 12,187,320.88-18,276,741.73-4,898,616.77

Finding the Fourth Proportional to 12,187,320.88, 18,276,741.73 and 4,898,616.77

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Solution

The fourth proportional to 12,187,320.88, 18,276,741.73 and 4,898,616.77 is: 7,346,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,320.88 : 18,276,741.73 = 4,898,616.77 : x
  2. Step 2: Convert to fraction form
    12,187,320.88/18,276,741.73 = 4,898,616.77/x
  3. Step 3: Cross multiply
    12,187,320.88x = 18,276,741.73 × 4,898,616.77
  4. Step 4: Simplify right side
    12,187,320.88x = 89,530,753,423,660.02
  5. Step 5: Solve for x
    x = 89,530,753,423,660.02/12,187,320.88
  6. Step 6: Final answer
    x = 7,346,221.07

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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.