Home / 9,198,018.92-12,693,553.62-5,278,491.92

Finding the Fourth Proportional to 9,198,018.92, 12,693,553.62 and 5,278,491.92

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Solution

The fourth proportional to 9,198,018.92, 12,693,553.62 and 5,278,491.92 is: 7,284,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198,018.92 : 12,693,553.62 = 5,278,491.92 : x
  2. Step 2: Convert to fraction form
    9,198,018.92/12,693,553.62 = 5,278,491.92/x
  3. Step 3: Cross multiply
    9,198,018.92x = 12,693,553.62 × 5,278,491.92
  4. Step 4: Simplify right side
    9,198,018.92x = 67,002,820,219,256.74
  5. Step 5: Solve for x
    x = 67,002,820,219,256.74/9,198,018.92
  6. Step 6: Final answer
    x = 7,284,483.84

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1.5x scale

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.