Home / 13,922,343.02-20,904,014.74-7,786,346.48

Finding the Fourth Proportional to 13,922,343.02, 20,904,014.74 and 7,786,346.48

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Solution

The fourth proportional to 13,922,343.02, 20,904,014.74 and 7,786,346.48 is: 11,690,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922,343.02 : 20,904,014.74 = 7,786,346.48 : x
  2. Step 2: Convert to fraction form
    13,922,343.02/20,904,014.74 = 7,786,346.48/x
  3. Step 3: Cross multiply
    13,922,343.02x = 20,904,014.74 × 7,786,346.48
  4. Step 4: Simplify right side
    13,922,343.02x = 162,765,901,708,090.75
  5. Step 5: Solve for x
    x = 162,765,901,708,090.75/13,922,343.02
  6. Step 6: Final answer
    x = 11,690,984.88

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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.