Home / 13,385,081.53-18,471,685.94-7,273,903.69

Finding the Fourth Proportional to 13,385,081.53, 18,471,685.94 and 7,273,903.69

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Solution

The fourth proportional to 13,385,081.53, 18,471,685.94 and 7,273,903.69 is: 10,038,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385,081.53 : 18,471,685.94 = 7,273,903.69 : x
  2. Step 2: Convert to fraction form
    13,385,081.53/18,471,685.94 = 7,273,903.69/x
  3. Step 3: Cross multiply
    13,385,081.53x = 18,471,685.94 × 7,273,903.69
  4. Step 4: Simplify right side
    13,385,081.53x = 134,361,264,519,487.14
  5. Step 5: Solve for x
    x = 134,361,264,519,487.14/13,385,081.53
  6. Step 6: Final answer
    x = 10,038,135.68

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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.