Home / 11,150,718.85-15,393,398.68-7,478,292.04

Finding the Fourth Proportional to 11,150,718.85, 15,393,398.68 and 7,478,292.04

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Solution

The fourth proportional to 11,150,718.85, 15,393,398.68 and 7,478,292.04 is: 10,323,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150,718.85 : 15,393,398.68 = 7,478,292.04 : x
  2. Step 2: Convert to fraction form
    11,150,718.85/15,393,398.68 = 7,478,292.04/x
  3. Step 3: Cross multiply
    11,150,718.85x = 15,393,398.68 × 7,478,292.04
  4. Step 4: Simplify right side
    11,150,718.85x = 115,116,330,895,671.70
  5. Step 5: Solve for x
    x = 115,116,330,895,671.70/11,150,718.85
  6. Step 6: Final answer
    x = 10,323,669.04

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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.