Home / 12,462,069.30-18,679,107.15-5,272,379.70

Finding the Fourth Proportional to 12,462,069.30, 18,679,107.15 and 5,272,379.70

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Solution

The fourth proportional to 12,462,069.30, 18,679,107.15 and 5,272,379.70 is: 7,902,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,069.30 : 18,679,107.15 = 5,272,379.70 : x
  2. Step 2: Convert to fraction form
    12,462,069.30/18,679,107.15 = 5,272,379.70/x
  3. Step 3: Cross multiply
    12,462,069.30x = 18,679,107.15 × 5,272,379.70
  4. Step 4: Simplify right side
    12,462,069.30x = 98,483,345,351,784.84
  5. Step 5: Solve for x
    x = 98,483,345,351,784.84/12,462,069.30
  6. Step 6: Final answer
    x = 7,902,647.87

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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.