Home / 18,663,858-25,756,124.40-10,079,154

Finding the Fourth Proportional to 18,663,858, 25,756,124.40 and 10,079,154

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Solution

The fourth proportional to 18,663,858, 25,756,124.40 and 10,079,154 is: 13,909,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,858 : 25,756,124.40 = 10,079,154 : x
  2. Step 2: Convert to fraction form
    18,663,858/25,756,124.40 = 10,079,154/x
  3. Step 3: Cross multiply
    18,663,858x = 25,756,124.40 × 10,079,154
  4. Step 4: Simplify right side
    18,663,858x = 259,599,944,270,757.59
  5. Step 5: Solve for x
    x = 259,599,944,270,757.59/18,663,858
  6. Step 6: Final answer
    x = 13,909,232.71

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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.