Home / 12,209,620.08-18,317,022.48-4,636,418.16

Finding the Fourth Proportional to 12,209,620.08, 18,317,022.48 and 4,636,418.16

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Solution

The fourth proportional to 12,209,620.08, 18,317,022.48 and 4,636,418.16 is: 6,955,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,620.08 : 18,317,022.48 = 4,636,418.16 : x
  2. Step 2: Convert to fraction form
    12,209,620.08/18,317,022.48 = 4,636,418.16/x
  3. Step 3: Cross multiply
    12,209,620.08x = 18,317,022.48 × 4,636,418.16
  4. Step 4: Simplify right side
    12,209,620.08x = 84,925,375,663,400.23
  5. Step 5: Solve for x
    x = 84,925,375,663,400.23/12,209,620.08
  6. Step 6: Final answer
    x = 6,955,611.65

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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.