Home / 14,345,147.86-19,796,129.83-7,818,757.13

Finding the Fourth Proportional to 14,345,147.86, 19,796,129.83 and 7,818,757.13

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Solution

The fourth proportional to 14,345,147.86, 19,796,129.83 and 7,818,757.13 is: 10,789,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345,147.86 : 19,796,129.83 = 7,818,757.13 : x
  2. Step 2: Convert to fraction form
    14,345,147.86/19,796,129.83 = 7,818,757.13/x
  3. Step 3: Cross multiply
    14,345,147.86x = 19,796,129.83 × 7,818,757.13
  4. Step 4: Simplify right side
    14,345,147.86x = 154,781,131,254,718.16
  5. Step 5: Solve for x
    x = 154,781,131,254,718.16/14,345,147.86
  6. Step 6: Final answer
    x = 10,789,789.88

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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.