Home / 13,273,728.12-18,316,435.32-7,393,165.20

Finding the Fourth Proportional to 13,273,728.12, 18,316,435.32 and 7,393,165.20

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Solution

The fourth proportional to 13,273,728.12, 18,316,435.32 and 7,393,165.20 is: 10,201,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273,728.12 : 18,316,435.32 = 7,393,165.20 : x
  2. Step 2: Convert to fraction form
    13,273,728.12/18,316,435.32 = 7,393,165.20/x
  3. Step 3: Cross multiply
    13,273,728.12x = 18,316,435.32 × 7,393,165.20
  4. Step 4: Simplify right side
    13,273,728.12x = 135,416,432,195,874.88
  5. Step 5: Solve for x
    x = 135,416,432,195,874.88/13,273,728.12
  6. Step 6: Final answer
    x = 10,201,838.62

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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.