Home / 13,728,937.11-18,946,165.76-7,534,560.20

Finding the Fourth Proportional to 13,728,937.11, 18,946,165.76 and 7,534,560.20

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Solution

The fourth proportional to 13,728,937.11, 18,946,165.76 and 7,534,560.20 is: 10,397,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,937.11 : 18,946,165.76 = 7,534,560.20 : x
  2. Step 2: Convert to fraction form
    13,728,937.11/18,946,165.76 = 7,534,560.20/x
  3. Step 3: Cross multiply
    13,728,937.11x = 18,946,165.76 × 7,534,560.20
  4. Step 4: Simplify right side
    13,728,937.11x = 142,751,026,345,495.12
  5. Step 5: Solve for x
    x = 142,751,026,345,495.12/13,728,937.11
  6. Step 6: Final answer
    x = 10,397,820.69

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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.