Home / 13,590,739.96-18,755,446.84-7,396,047.77

Finding the Fourth Proportional to 13,590,739.96, 18,755,446.84 and 7,396,047.77

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Solution

The fourth proportional to 13,590,739.96, 18,755,446.84 and 7,396,047.77 is: 10,206,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,739.96 : 18,755,446.84 = 7,396,047.77 : x
  2. Step 2: Convert to fraction form
    13,590,739.96/18,755,446.84 = 7,396,047.77/x
  3. Step 3: Cross multiply
    13,590,739.96x = 18,755,446.84 × 7,396,047.77
  4. Step 4: Simplify right side
    13,590,739.96x = 138,716,180,705,670.95
  5. Step 5: Solve for x
    x = 138,716,180,705,670.95/13,590,739.96
  6. Step 6: Final answer
    x = 10,206,668.74

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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.