Home / 12,502,807.80-18,743,714.10-6,519,175.80

Finding the Fourth Proportional to 12,502,807.80, 18,743,714.10 and 6,519,175.80

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Solution

The fourth proportional to 12,502,807.80, 18,743,714.10 and 6,519,175.80 is: 9,773,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502,807.80 : 18,743,714.10 = 6,519,175.80 : x
  2. Step 2: Convert to fraction form
    12,502,807.80/18,743,714.10 = 6,519,175.80/x
  3. Step 3: Cross multiply
    12,502,807.80x = 18,743,714.10 × 6,519,175.80
  4. Step 4: Simplify right side
    12,502,807.80x = 122,193,567,362,838.78
  5. Step 5: Solve for x
    x = 122,193,567,362,838.78/12,502,807.80
  6. Step 6: Final answer
    x = 9,773,290.07

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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.