Home / 13,108,985.24-18,091,476.44-7,229,769.24

Finding the Fourth Proportional to 13,108,985.24, 18,091,476.44 and 7,229,769.24

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Solution

The fourth proportional to 13,108,985.24, 18,091,476.44 and 7,229,769.24 is: 9,977,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,985.24 : 18,091,476.44 = 7,229,769.24 : x
  2. Step 2: Convert to fraction form
    13,108,985.24/18,091,476.44 = 7,229,769.24/x
  3. Step 3: Cross multiply
    13,108,985.24x = 18,091,476.44 × 7,229,769.24
  4. Step 4: Simplify right side
    13,108,985.24x = 130,797,199,872,096.72
  5. Step 5: Solve for x
    x = 130,797,199,872,096.72/13,108,985.24
  6. Step 6: Final answer
    x = 9,977,675.42

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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.