Home / 13,426,795.62-20,154,279.06-11,899,560.87

Finding the Fourth Proportional to 13,426,795.62, 20,154,279.06 and 11,899,560.87

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Solution

The fourth proportional to 13,426,795.62, 20,154,279.06 and 11,899,560.87 is: 17,861,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,795.62 : 20,154,279.06 = 11,899,560.87 : x
  2. Step 2: Convert to fraction form
    13,426,795.62/20,154,279.06 = 11,899,560.87/x
  3. Step 3: Cross multiply
    13,426,795.62x = 20,154,279.06 × 11,899,560.87
  4. Step 4: Simplify right side
    13,426,795.62x = 239,827,070,465,436.34
  5. Step 5: Solve for x
    x = 239,827,070,465,436.34/13,426,795.62
  6. Step 6: Final answer
    x = 17,861,824.76

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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.