Home / 27,078,412.50-37,359,121.86-15,467,755.86

Finding the Fourth Proportional to 27,078,412.50, 37,359,121.86 and 15,467,755.86

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Solution

The fourth proportional to 27,078,412.50, 37,359,121.86 and 15,467,755.86 is: 21,340,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078,412.50 : 37,359,121.86 = 15,467,755.86 : x
  2. Step 2: Convert to fraction form
    27,078,412.50/37,359,121.86 = 15,467,755.86/x
  3. Step 3: Cross multiply
    27,078,412.50x = 37,359,121.86 × 15,467,755.86
  4. Step 4: Simplify right side
    27,078,412.50x = 577,861,776,074,469.12
  5. Step 5: Solve for x
    x = 577,861,776,074,469.12/27,078,412.50
  6. Step 6: Final answer
    x = 21,340,312.18

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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.