Home / 18,514,531.20-27,771,796.80-5,051,359.20

Finding the Fourth Proportional to 18,514,531.20, 27,771,796.80 and 5,051,359.20

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Solution

The fourth proportional to 18,514,531.20, 27,771,796.80 and 5,051,359.20 is: 7,577,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514,531.20 : 27,771,796.80 = 5,051,359.20 : x
  2. Step 2: Convert to fraction form
    18,514,531.20/27,771,796.80 = 5,051,359.20/x
  3. Step 3: Cross multiply
    18,514,531.20x = 27,771,796.80 × 5,051,359.20
  4. Step 4: Simplify right side
    18,514,531.20x = 140,285,321,266,210.56
  5. Step 5: Solve for x
    x = 140,285,321,266,210.56/18,514,531.20
  6. Step 6: Final answer
    x = 7,577,038.80

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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.