Home / 13,462,525.76-18,579,748.21-8,305,754.72

Finding the Fourth Proportional to 13,462,525.76, 18,579,748.21 and 8,305,754.72

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Solution

The fourth proportional to 13,462,525.76, 18,579,748.21 and 8,305,754.72 is: 11,462,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462,525.76 : 18,579,748.21 = 8,305,754.72 : x
  2. Step 2: Convert to fraction form
    13,462,525.76/18,579,748.21 = 8,305,754.72/x
  3. Step 3: Cross multiply
    13,462,525.76x = 18,579,748.21 × 8,305,754.72
  4. Step 4: Simplify right side
    13,462,525.76x = 154,318,831,277,955.91
  5. Step 5: Solve for x
    x = 154,318,831,277,955.91/13,462,525.76
  6. Step 6: Final answer
    x = 11,462,843.90

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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.