Home / 13,108,964.21-18,091,447.50-7,229,748.22

Finding the Fourth Proportional to 13,108,964.21, 18,091,447.50 and 7,229,748.22

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Solution

The fourth proportional to 13,108,964.21, 18,091,447.50 and 7,229,748.22 is: 9,977,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,964.21 : 18,091,447.50 = 7,229,748.22 : x
  2. Step 2: Convert to fraction form
    13,108,964.21/18,091,447.50 = 7,229,748.22/x
  3. Step 3: Cross multiply
    13,108,964.21x = 18,091,447.50 × 7,229,748.22
  4. Step 4: Simplify right side
    13,108,964.21x = 130,796,610,342,231.39
  5. Step 5: Solve for x
    x = 130,796,610,342,231.39/13,108,964.21
  6. Step 6: Final answer
    x = 9,977,646.46

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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.