Home / 13,319,276.07-18,380,601-7,207,704.57

Finding the Fourth Proportional to 13,319,276.07, 18,380,601 and 7,207,704.57

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Solution

The fourth proportional to 13,319,276.07, 18,380,601 and 7,207,704.57 is: 9,946,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,276.07 : 18,380,601 = 7,207,704.57 : x
  2. Step 2: Convert to fraction form
    13,319,276.07/18,380,601 = 7,207,704.57/x
  3. Step 3: Cross multiply
    13,319,276.07x = 18,380,601 × 7,207,704.57
  4. Step 4: Simplify right side
    13,319,276.07x = 132,481,941,827,046.58
  5. Step 5: Solve for x
    x = 132,481,941,827,046.58/13,319,276.07
  6. Step 6: Final answer
    x = 9,946,632.32

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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.