Home / 13,250,513.48-18,285,598.60-7,449,321.02

Finding the Fourth Proportional to 13,250,513.48, 18,285,598.60 and 7,449,321.02

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Solution

The fourth proportional to 13,250,513.48, 18,285,598.60 and 7,449,321.02 is: 10,280,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,513.48 : 18,285,598.60 = 7,449,321.02 : x
  2. Step 2: Convert to fraction form
    13,250,513.48/18,285,598.60 = 7,449,321.02/x
  3. Step 3: Cross multiply
    13,250,513.48x = 18,285,598.60 × 7,449,321.02
  4. Step 4: Simplify right side
    13,250,513.48x = 136,215,293,904,211.27
  5. Step 5: Solve for x
    x = 136,215,293,904,211.27/13,250,513.48
  6. Step 6: Final answer
    x = 10,280,001.16

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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.