Home / 13,855,999.42-20,785,107.21-4,754,434.42

Finding the Fourth Proportional to 13,855,999.42, 20,785,107.21 and 4,754,434.42

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Solution

The fourth proportional to 13,855,999.42, 20,785,107.21 and 4,754,434.42 is: 7,132,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,999.42 : 20,785,107.21 = 4,754,434.42 : x
  2. Step 2: Convert to fraction form
    13,855,999.42/20,785,107.21 = 4,754,434.42/x
  3. Step 3: Cross multiply
    13,855,999.42x = 20,785,107.21 × 4,754,434.42
  4. Step 4: Simplify right side
    13,855,999.42x = 98,821,429,142,614.17
  5. Step 5: Solve for x
    x = 98,821,429,142,614.17/13,855,999.42
  6. Step 6: Final answer
    x = 7,132,031.85

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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.