Home / 16,945,806.64-23,385,369.72-9,210,867.16

Finding the Fourth Proportional to 16,945,806.64, 23,385,369.72 and 9,210,867.16

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Solution

The fourth proportional to 16,945,806.64, 23,385,369.72 and 9,210,867.16 is: 12,711,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945,806.64 : 23,385,369.72 = 9,210,867.16 : x
  2. Step 2: Convert to fraction form
    16,945,806.64/23,385,369.72 = 9,210,867.16/x
  3. Step 3: Cross multiply
    16,945,806.64x = 23,385,369.72 × 9,210,867.16
  4. Step 4: Simplify right side
    16,945,806.64x = 215,399,533,978,406.38
  5. Step 5: Solve for x
    x = 215,399,533,978,406.38/16,945,806.64
  6. Step 6: Final answer
    x = 12,711,081.78

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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.