Home / 12,887,044.36-17,784,187.41-7,086,200.20

Finding the Fourth Proportional to 12,887,044.36, 17,784,187.41 and 7,086,200.20

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Solution

The fourth proportional to 12,887,044.36, 17,784,187.41 and 7,086,200.20 is: 9,778,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,044.36 : 17,784,187.41 = 7,086,200.20 : x
  2. Step 2: Convert to fraction form
    12,887,044.36/17,784,187.41 = 7,086,200.20/x
  3. Step 3: Cross multiply
    12,887,044.36x = 17,784,187.41 × 7,086,200.20
  4. Step 4: Simplify right side
    12,887,044.36x = 126,022,312,381,579.48
  5. Step 5: Solve for x
    x = 126,022,312,381,579.48/12,887,044.36
  6. Step 6: Final answer
    x = 9,778,992.67

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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.