Home / 13,153,068.64-19,747,494.24-7,399,850.86

Finding the Fourth Proportional to 13,153,068.64, 19,747,494.24 and 7,399,850.86

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Solution

The fourth proportional to 13,153,068.64, 19,747,494.24 and 7,399,850.86 is: 11,109,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,068.64 : 19,747,494.24 = 7,399,850.86 : x
  2. Step 2: Convert to fraction form
    13,153,068.64/19,747,494.24 = 7,399,850.86/x
  3. Step 3: Cross multiply
    13,153,068.64x = 19,747,494.24 × 7,399,850.86
  4. Step 4: Simplify right side
    13,153,068.64x = 146,128,512,234,709.03
  5. Step 5: Solve for x
    x = 146,128,512,234,709.03/13,153,068.64
  6. Step 6: Final answer
    x = 11,109,841.83

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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.