Home / 12,569,186.70-18,853,659.58-7,447,930.15

Finding the Fourth Proportional to 12,569,186.70, 18,853,659.58 and 7,447,930.15

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Solution

The fourth proportional to 12,569,186.70, 18,853,659.58 and 7,447,930.15 is: 11,171,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569,186.70 : 18,853,659.58 = 7,447,930.15 : x
  2. Step 2: Convert to fraction form
    12,569,186.70/18,853,659.58 = 7,447,930.15/x
  3. Step 3: Cross multiply
    12,569,186.70x = 18,853,659.58 × 7,447,930.15
  4. Step 4: Simplify right side
    12,569,186.70x = 140,420,739,623,718.33
  5. Step 5: Solve for x
    x = 140,420,739,623,718.33/12,569,186.70
  6. Step 6: Final answer
    x = 11,171,823.84

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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.