Home / 13,909,825.44-20,862,500.08-3,810,085.28

Finding the Fourth Proportional to 13,909,825.44, 20,862,500.08 and 3,810,085.28

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Solution

The fourth proportional to 13,909,825.44, 20,862,500.08 and 3,810,085.28 is: 5,714,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,825.44 : 20,862,500.08 = 3,810,085.28 : x
  2. Step 2: Convert to fraction form
    13,909,825.44/20,862,500.08 = 3,810,085.28/x
  3. Step 3: Cross multiply
    13,909,825.44x = 20,862,500.08 × 3,810,085.28
  4. Step 4: Simplify right side
    13,909,825.44x = 79,487,904,458,806.81
  5. Step 5: Solve for x
    x = 79,487,904,458,806.81/13,909,825.44
  6. Step 6: Final answer
    x = 5,714,514.88

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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.