Home / 12,492,770.40-17,239,904.96-6,986,082.09

Finding the Fourth Proportional to 12,492,770.40, 17,239,904.96 and 6,986,082.09

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Solution

The fourth proportional to 12,492,770.40, 17,239,904.96 and 6,986,082.09 is: 9,640,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,770.40 : 17,239,904.96 = 6,986,082.09 : x
  2. Step 2: Convert to fraction form
    12,492,770.40/17,239,904.96 = 6,986,082.09/x
  3. Step 3: Cross multiply
    12,492,770.40x = 17,239,904.96 × 6,986,082.09
  4. Step 4: Simplify right side
    12,492,770.40x = 120,439,391,274,358.17
  5. Step 5: Solve for x
    x = 120,439,391,274,358.17/12,492,770.40
  6. Step 6: Final answer
    x = 9,640,727.19

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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.