Home / 18,775,624.41-25,902,108.01-11,329,132.86

Finding the Fourth Proportional to 18,775,624.41, 25,902,108.01 and 11,329,132.86

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Solution

The fourth proportional to 18,775,624.41, 25,902,108.01 and 11,329,132.86 is: 15,629,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775,624.41 : 25,902,108.01 = 11,329,132.86 : x
  2. Step 2: Convert to fraction form
    18,775,624.41/25,902,108.01 = 11,329,132.86/x
  3. Step 3: Cross multiply
    18,775,624.41x = 25,902,108.01 × 11,329,132.86
  4. Step 4: Simplify right side
    18,775,624.41x = 293,448,422,999,360.19
  5. Step 5: Solve for x
    x = 293,448,422,999,360.19/18,775,624.41
  6. Step 6: Final answer
    x = 15,629,223.11

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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.