Home / 8,787,887.69-13,170,380.31-4,897,189.86

Finding the Fourth Proportional to 8,787,887.69, 13,170,380.31 and 4,897,189.86

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Solution

The fourth proportional to 8,787,887.69, 13,170,380.31 and 4,897,189.86 is: 7,339,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787,887.69 : 13,170,380.31 = 4,897,189.86 : x
  2. Step 2: Convert to fraction form
    8,787,887.69/13,170,380.31 = 4,897,189.86/x
  3. Step 3: Cross multiply
    8,787,887.69x = 13,170,380.31 × 4,897,189.86
  4. Step 4: Simplify right side
    8,787,887.69x = 64,497,852,907,900.64
  5. Step 5: Solve for x
    x = 64,497,852,907,900.64/8,787,887.69
  6. Step 6: Final answer
    x = 7,339,403.41

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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.