Home / 18,477,423.72-25,490,369.24-11,953,157.12

Finding the Fourth Proportional to 18,477,423.72, 25,490,369.24 and 11,953,157.12

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Solution

The fourth proportional to 18,477,423.72, 25,490,369.24 and 11,953,157.12 is: 16,489,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,423.72 : 25,490,369.24 = 11,953,157.12 : x
  2. Step 2: Convert to fraction form
    18,477,423.72/25,490,369.24 = 11,953,157.12/x
  3. Step 3: Cross multiply
    18,477,423.72x = 25,490,369.24 × 11,953,157.12
  4. Step 4: Simplify right side
    18,477,423.72x = 304,690,388,572,534.94
  5. Step 5: Solve for x
    x = 304,690,388,572,534.94/18,477,423.72
  6. Step 6: Final answer
    x = 16,489,873.98

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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.