Home / 18,508,690.20-25,590,749.46-16,210,262.55

Finding the Fourth Proportional to 18,508,690.20, 25,590,749.46 and 16,210,262.55

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Solution

The fourth proportional to 18,508,690.20, 25,590,749.46 and 16,210,262.55 is: 22,412,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508,690.20 : 25,590,749.46 = 16,210,262.55 : x
  2. Step 2: Convert to fraction form
    18,508,690.20/25,590,749.46 = 16,210,262.55/x
  3. Step 3: Cross multiply
    18,508,690.20x = 25,590,749.46 × 16,210,262.55
  4. Step 4: Simplify right side
    18,508,690.20x = 414,832,767,597,870.75
  5. Step 5: Solve for x
    x = 414,832,767,597,870.75/18,508,690.20
  6. Step 6: Final answer
    x = 22,412,864.61

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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.