Home / 13,375,976.76-18,458,956.32-7,264,449

Finding the Fourth Proportional to 13,375,976.76, 18,458,956.32 and 7,264,449

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Solution

The fourth proportional to 13,375,976.76, 18,458,956.32 and 7,264,449 is: 10,024,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,976.76 : 18,458,956.32 = 7,264,449 : x
  2. Step 2: Convert to fraction form
    13,375,976.76/18,458,956.32 = 7,264,449/x
  3. Step 3: Cross multiply
    13,375,976.76x = 18,458,956.32 × 7,264,449
  4. Step 4: Simplify right side
    13,375,976.76x = 134,094,146,779,867.69
  5. Step 5: Solve for x
    x = 134,094,146,779,867.69/13,375,976.76
  6. Step 6: Final answer
    x = 10,024,998.49

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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.