Home / 18,663,903-25,756,186.50-10,079,199

Finding the Fourth Proportional to 18,663,903, 25,756,186.50 and 10,079,199

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Solution

The fourth proportional to 18,663,903, 25,756,186.50 and 10,079,199 is: 13,909,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,903 : 25,756,186.50 = 10,079,199 : x
  2. Step 2: Convert to fraction form
    18,663,903/25,756,186.50 = 10,079,199/x
  3. Step 3: Cross multiply
    18,663,903x = 25,756,186.50 × 10,079,199
  4. Step 4: Simplify right side
    18,663,903x = 259,601,729,214,613.50
  5. Step 5: Solve for x
    x = 259,601,729,214,613.50/18,663,903
  6. Step 6: Final answer
    x = 13,909,294.81

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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.