Home / 12,576,655.96-18,857,897.45-4,375,537.18

Finding the Fourth Proportional to 12,576,655.96, 18,857,897.45 and 4,375,537.18

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Solution

The fourth proportional to 12,576,655.96, 18,857,897.45 and 4,375,537.18 is: 6,560,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,655.96 : 18,857,897.45 = 4,375,537.18 : x
  2. Step 2: Convert to fraction form
    12,576,655.96/18,857,897.45 = 4,375,537.18/x
  3. Step 3: Cross multiply
    12,576,655.96x = 18,857,897.45 × 4,375,537.18
  4. Step 4: Simplify right side
    12,576,655.96x = 82,513,431,376,488.03
  5. Step 5: Solve for x
    x = 82,513,431,376,488.03/12,576,655.96
  6. Step 6: Final answer
    x = 6,560,840.31

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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.