Home / 21,786,663.66-30,063,310.08-12,364,454.16

Finding the Fourth Proportional to 21,786,663.66, 30,063,310.08 and 12,364,454.16

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Solution

The fourth proportional to 21,786,663.66, 30,063,310.08 and 12,364,454.16 is: 17,061,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786,663.66 : 30,063,310.08 = 12,364,454.16 : x
  2. Step 2: Convert to fraction form
    21,786,663.66/30,063,310.08 = 12,364,454.16/x
  3. Step 3: Cross multiply
    21,786,663.66x = 30,063,310.08 × 12,364,454.16
  4. Step 4: Simplify right side
    21,786,663.66x = 371,716,419,382,025.94
  5. Step 5: Solve for x
    x = 371,716,419,382,025.94/21,786,663.66
  6. Step 6: Final answer
    x = 17,061,649.51

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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.