Home / 51,519,916.75-77,279,481.47-13,181,369.35

Finding the Fourth Proportional to 51,519,916.75, 77,279,481.47 and 13,181,369.35

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Solution

The fourth proportional to 51,519,916.75, 77,279,481.47 and 13,181,369.35 is: 19,771,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519,916.75 : 77,279,481.47 = 13,181,369.35 : x
  2. Step 2: Convert to fraction form
    51,519,916.75/77,279,481.47 = 13,181,369.35/x
  3. Step 3: Cross multiply
    51,519,916.75x = 77,279,481.47 × 13,181,369.35
  4. Step 4: Simplify right side
    51,519,916.75x = 1,018,649,388,366,644.12
  5. Step 5: Solve for x
    x = 1,018,649,388,366,644.12/51,519,916.75
  6. Step 6: Final answer
    x = 19,771,953.31

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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.