Home / 15,534,189.92-21,446,377.74-13,810,549.61

Finding the Fourth Proportional to 15,534,189.92, 21,446,377.74 and 13,810,549.61

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Solution

The fourth proportional to 15,534,189.92, 21,446,377.74 and 13,810,549.61 is: 19,066,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534,189.92 : 21,446,377.74 = 13,810,549.61 : x
  2. Step 2: Convert to fraction form
    15,534,189.92/21,446,377.74 = 13,810,549.61/x
  3. Step 3: Cross multiply
    15,534,189.92x = 21,446,377.74 × 13,810,549.61
  4. Step 4: Simplify right side
    15,534,189.92x = 296,186,263,625,837.75
  5. Step 5: Solve for x
    x = 296,186,263,625,837.75/15,534,189.92
  6. Step 6: Final answer
    x = 19,066,733.78

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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.