Home / 16,113,142.12-22,236,419.84-8,771,186.56

Finding the Fourth Proportional to 16,113,142.12, 22,236,419.84 and 8,771,186.56

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Solution

The fourth proportional to 16,113,142.12, 22,236,419.84 and 8,771,186.56 is: 12,104,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,113,142.12 : 22,236,419.84 = 8,771,186.56 : x
  2. Step 2: Convert to fraction form
    16,113,142.12/22,236,419.84 = 8,771,186.56/x
  3. Step 3: Cross multiply
    16,113,142.12x = 22,236,419.84 × 8,771,186.56
  4. Step 4: Simplify right side
    16,113,142.12x = 195,039,786,843,125.38
  5. Step 5: Solve for x
    x = 195,039,786,843,125.38/16,113,142.12
  6. Step 6: Final answer
    x = 12,104,391.89

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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.