Home / 11,912,142.92-17,870,207.36-9,353,254.64

Finding the Fourth Proportional to 11,912,142.92, 17,870,207.36 and 9,353,254.64

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Solution

The fourth proportional to 11,912,142.92, 17,870,207.36 and 9,353,254.64 is: 14,031,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912,142.92 : 17,870,207.36 = 9,353,254.64 : x
  2. Step 2: Convert to fraction form
    11,912,142.92/17,870,207.36 = 9,353,254.64/x
  3. Step 3: Cross multiply
    11,912,142.92x = 17,870,207.36 × 9,353,254.64
  4. Step 4: Simplify right side
    11,912,142.92x = 167,144,599,907,682.16
  5. Step 5: Solve for x
    x = 167,144,599,907,682.16/11,912,142.92
  6. Step 6: Final answer
    x = 14,031,446.82

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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.