Home / 12,715,781.40-17,593,986.21-11,087,581.77

Finding the Fourth Proportional to 12,715,781.40, 17,593,986.21 and 11,087,581.77

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Solution

The fourth proportional to 12,715,781.40, 17,593,986.21 and 11,087,581.77 is: 15,341,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,781.40 : 17,593,986.21 = 11,087,581.77 : x
  2. Step 2: Convert to fraction form
    12,715,781.40/17,593,986.21 = 11,087,581.77/x
  3. Step 3: Cross multiply
    12,715,781.40x = 17,593,986.21 × 11,087,581.77
  4. Step 4: Simplify right side
    12,715,781.40x = 195,074,760,763,627.41
  5. Step 5: Solve for x
    x = 195,074,760,763,627.41/12,715,781.40
  6. Step 6: Final answer
    x = 15,341,154.01

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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.