Home / 13,330,537.04-18,390,932.85-7,747,855.94

Finding the Fourth Proportional to 13,330,537.04, 18,390,932.85 and 7,747,855.94

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Solution

The fourth proportional to 13,330,537.04, 18,390,932.85 and 7,747,855.94 is: 10,689,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330,537.04 : 18,390,932.85 = 7,747,855.94 : x
  2. Step 2: Convert to fraction form
    13,330,537.04/18,390,932.85 = 7,747,855.94/x
  3. Step 3: Cross multiply
    13,330,537.04x = 18,390,932.85 × 7,747,855.94
  4. Step 4: Simplify right side
    13,330,537.04x = 142,490,298,399,045.44
  5. Step 5: Solve for x
    x = 142,490,298,399,045.44/13,330,537.04
  6. Step 6: Final answer
    x = 10,689,014.10

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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.