Home / 13,426,546.16-20,153,906.06-11,899,313.03

Finding the Fourth Proportional to 13,426,546.16, 20,153,906.06 and 11,899,313.03

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Solution

The fourth proportional to 13,426,546.16, 20,153,906.06 and 11,899,313.03 is: 17,861,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,546.16 : 20,153,906.06 = 11,899,313.03 : x
  2. Step 2: Convert to fraction form
    13,426,546.16/20,153,906.06 = 11,899,313.03/x
  3. Step 3: Cross multiply
    13,426,546.16x = 20,153,906.06 × 11,899,313.03
  4. Step 4: Simplify right side
    13,426,546.16x = 239,817,636,976,042.16
  5. Step 5: Solve for x
    x = 239,817,636,976,042.16/13,426,546.16
  6. Step 6: Final answer
    x = 17,861,454.02

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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.