Home / 13,146,959.70-18,143,743.02-7,266,467.82

Finding the Fourth Proportional to 13,146,959.70, 18,143,743.02 and 7,266,467.82

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Solution

The fourth proportional to 13,146,959.70, 18,143,743.02 and 7,266,467.82 is: 10,028,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,959.70 : 18,143,743.02 = 7,266,467.82 : x
  2. Step 2: Convert to fraction form
    13,146,959.70/18,143,743.02 = 7,266,467.82/x
  3. Step 3: Cross multiply
    13,146,959.70x = 18,143,743.02 × 7,266,467.82
  4. Step 4: Simplify right side
    13,146,959.70x = 131,840,924,789,179.62
  5. Step 5: Solve for x
    x = 131,840,924,789,179.62/13,146,959.70
  6. Step 6: Final answer
    x = 10,028,244.38

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1.5x scale

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.