Home / 18,533,942.15-25,561,674.38-13,045,485.83

Finding the Fourth Proportional to 18,533,942.15, 25,561,674.38 and 13,045,485.83

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Solution

The fourth proportional to 18,533,942.15, 25,561,674.38 and 13,045,485.83 is: 17,992,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533,942.15 : 25,561,674.38 = 13,045,485.83 : x
  2. Step 2: Convert to fraction form
    18,533,942.15/25,561,674.38 = 13,045,485.83/x
  3. Step 3: Cross multiply
    18,533,942.15x = 25,561,674.38 × 13,045,485.83
  4. Step 4: Simplify right side
    18,533,942.15x = 333,464,460,820,169.38
  5. Step 5: Solve for x
    x = 333,464,460,820,169.38/18,533,942.15
  6. Step 6: Final answer
    x = 17,992,095.70

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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.