Home / 12,225,720.80-18,322,834.80-9,371,685.80

Finding the Fourth Proportional to 12,225,720.80, 18,322,834.80 and 9,371,685.80

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Solution

The fourth proportional to 12,225,720.80, 18,322,834.80 and 9,371,685.80 is: 14,045,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,720.80 : 18,322,834.80 = 9,371,685.80 : x
  2. Step 2: Convert to fraction form
    12,225,720.80/18,322,834.80 = 9,371,685.80/x
  3. Step 3: Cross multiply
    12,225,720.80x = 18,322,834.80 × 9,371,685.80
  4. Step 4: Simplify right side
    12,225,720.80x = 171,715,850,710,905.88
  5. Step 5: Solve for x
    x = 171,715,850,710,905.88/12,225,720.80
  6. Step 6: Final answer
    x = 14,045,458.22

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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.