Home / 11,912,187.68-17,870,274.12-9,353,299.04

Finding the Fourth Proportional to 11,912,187.68, 17,870,274.12 and 9,353,299.04

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Solution

The fourth proportional to 11,912,187.68, 17,870,274.12 and 9,353,299.04 is: 14,031,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912,187.68 : 17,870,274.12 = 9,353,299.04 : x
  2. Step 2: Convert to fraction form
    11,912,187.68/17,870,274.12 = 9,353,299.04/x
  3. Step 3: Cross multiply
    11,912,187.68x = 17,870,274.12 × 9,353,299.04
  4. Step 4: Simplify right side
    11,912,187.68x = 167,146,017,771,132.84
  5. Step 5: Solve for x
    x = 167,146,017,771,132.84/11,912,187.68
  6. Step 6: Final answer
    x = 14,031,513.12

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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.