Home / 18,461,984.44-25,479,072.60-10,203,659.20

Finding the Fourth Proportional to 18,461,984.44, 25,479,072.60 and 10,203,659.20

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Solution

The fourth proportional to 18,461,984.44, 25,479,072.60 and 10,203,659.20 is: 14,081,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,984.44 : 25,479,072.60 = 10,203,659.20 : x
  2. Step 2: Convert to fraction form
    18,461,984.44/25,479,072.60 = 10,203,659.20/x
  3. Step 3: Cross multiply
    18,461,984.44x = 25,479,072.60 × 10,203,659.20
  4. Step 4: Simplify right side
    18,461,984.44x = 259,979,773,542,457.91
  5. Step 5: Solve for x
    x = 259,979,773,542,457.91/18,461,984.44
  6. Step 6: Final answer
    x = 14,081,897.55

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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.