Home / 12,530,416.20-17,290,917.81-6,948,822.84

Finding the Fourth Proportional to 12,530,416.20, 17,290,917.81 and 6,948,822.84

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Solution

The fourth proportional to 12,530,416.20, 17,290,917.81 and 6,948,822.84 is: 9,588,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,416.20 : 17,290,917.81 = 6,948,822.84 : x
  2. Step 2: Convert to fraction form
    12,530,416.20/17,290,917.81 = 6,948,822.84/x
  3. Step 3: Cross multiply
    12,530,416.20x = 17,290,917.81 × 6,948,822.84
  4. Step 4: Simplify right side
    12,530,416.20x = 120,151,524,602,690.77
  5. Step 5: Solve for x
    x = 120,151,524,602,690.77/12,530,416.20
  6. Step 6: Final answer
    x = 9,588,789.60

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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.