Home / 13,375,979.34-18,458,959.97-7,264,451.58

Finding the Fourth Proportional to 13,375,979.34, 18,458,959.97 and 7,264,451.58

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Solution

The fourth proportional to 13,375,979.34, 18,458,959.97 and 7,264,451.58 is: 10,025,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,979.34 : 18,458,959.97 = 7,264,451.58 : x
  2. Step 2: Convert to fraction form
    13,375,979.34/18,458,959.97 = 7,264,451.58/x
  3. Step 3: Cross multiply
    13,375,979.34x = 18,458,959.97 × 7,264,451.58
  4. Step 4: Simplify right side
    13,375,979.34x = 134,094,220,919,223.25
  5. Step 5: Solve for x
    x = 134,094,220,919,223.25/13,375,979.34
  6. Step 6: Final answer
    x = 10,025,002.10

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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.