Home / 13,904,021.40-20,856,032.10-3,806,626.20

Finding the Fourth Proportional to 13,904,021.40, 20,856,032.10 and 3,806,626.20

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Solution

The fourth proportional to 13,904,021.40, 20,856,032.10 and 3,806,626.20 is: 5,709,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,021.40 : 20,856,032.10 = 3,806,626.20 : x
  2. Step 2: Convert to fraction form
    13,904,021.40/20,856,032.10 = 3,806,626.20/x
  3. Step 3: Cross multiply
    13,904,021.40x = 20,856,032.10 × 3,806,626.20
  4. Step 4: Simplify right side
    13,904,021.40x = 79,391,118,219,901.03
  5. Step 5: Solve for x
    x = 79,391,118,219,901.03/13,904,021.40
  6. Step 6: Final answer
    x = 5,709,939.30

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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.