Home / 18,430,861.89-25,434,600.33-10,282,099.89

Finding the Fourth Proportional to 18,430,861.89, 25,434,600.33 and 10,282,099.89

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Solution

The fourth proportional to 18,430,861.89, 25,434,600.33 and 10,282,099.89 is: 14,189,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,861.89 : 25,434,600.33 = 10,282,099.89 : x
  2. Step 2: Convert to fraction form
    18,430,861.89/25,434,600.33 = 10,282,099.89/x
  3. Step 3: Cross multiply
    18,430,861.89x = 25,434,600.33 × 10,282,099.89
  4. Step 4: Simplify right side
    18,430,861.89x = 261,521,101,255,286.97
  5. Step 5: Solve for x
    x = 261,521,101,255,286.97/18,430,861.89
  6. Step 6: Final answer
    x = 14,189,303.94

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1.5x scale

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.