Home / 8,355,378.96-12,534,005.88-7,497,174.78

Finding the Fourth Proportional to 8,355,378.96, 12,534,005.88 and 7,497,174.78

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Solution

The fourth proportional to 8,355,378.96, 12,534,005.88 and 7,497,174.78 is: 11,246,603.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355,378.96 : 12,534,005.88 = 7,497,174.78 : x
  2. Step 2: Convert to fraction form
    8,355,378.96/12,534,005.88 = 7,497,174.78/x
  3. Step 3: Cross multiply
    8,355,378.96x = 12,534,005.88 × 7,497,174.78
  4. Step 4: Simplify right side
    8,355,378.96x = 93,969,632,775,907.72
  5. Step 5: Solve for x
    x = 93,969,632,775,907.72/8,355,378.96
  6. Step 6: Final answer
    x = 11,246,603.32

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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.