Home / 16,909,742.10-25,369,189.48-12,058,178.34

Finding the Fourth Proportional to 16,909,742.10, 25,369,189.48 and 12,058,178.34

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Solution

The fourth proportional to 16,909,742.10, 25,369,189.48 and 12,058,178.34 is: 18,090,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909,742.10 : 25,369,189.48 = 12,058,178.34 : x
  2. Step 2: Convert to fraction form
    16,909,742.10/25,369,189.48 = 12,058,178.34/x
  3. Step 3: Cross multiply
    16,909,742.10x = 25,369,189.48 × 12,058,178.34
  4. Step 4: Simplify right side
    16,909,742.10x = 305,906,211,091,091.88
  5. Step 5: Solve for x
    x = 305,906,211,091,091.88/16,909,742.10
  6. Step 6: Final answer
    x = 18,090,530.85

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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.