Home / 10,615,993.88-15,903,704.16-8,897,861.77

Finding the Fourth Proportional to 10,615,993.88, 15,903,704.16 and 8,897,861.77

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Solution

The fourth proportional to 10,615,993.88, 15,903,704.16 and 8,897,861.77 is: 13,329,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,993.88 : 15,903,704.16 = 8,897,861.77 : x
  2. Step 2: Convert to fraction form
    10,615,993.88/15,903,704.16 = 8,897,861.77/x
  3. Step 3: Cross multiply
    10,615,993.88x = 15,903,704.16 × 8,897,861.77
  4. Step 4: Simplify right side
    10,615,993.88x = 141,508,961,206,894.72
  5. Step 5: Solve for x
    x = 141,508,961,206,894.72/10,615,993.88
  6. Step 6: Final answer
    x = 13,329,789.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.