Home / 10,131,563.10-13,981,533.75-5,547,844.38

Finding the Fourth Proportional to 10,131,563.10, 13,981,533.75 and 5,547,844.38

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Solution

The fourth proportional to 10,131,563.10, 13,981,533.75 and 5,547,844.38 is: 7,656,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,563.10 : 13,981,533.75 = 5,547,844.38 : x
  2. Step 2: Convert to fraction form
    10,131,563.10/13,981,533.75 = 5,547,844.38/x
  3. Step 3: Cross multiply
    10,131,563.10x = 13,981,533.75 × 5,547,844.38
  4. Step 4: Simplify right side
    10,131,563.10x = 77,567,373,438,717.83
  5. Step 5: Solve for x
    x = 77,567,373,438,717.83/10,131,563.10
  6. Step 6: Final answer
    x = 7,656,012.47

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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.