Home / 18,945,780.64-26,145,141.72-10,685,817.38

Finding the Fourth Proportional to 18,945,780.64, 26,145,141.72 and 10,685,817.38

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Solution

The fourth proportional to 18,945,780.64, 26,145,141.72 and 10,685,817.38 is: 14,746,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945,780.64 : 26,145,141.72 = 10,685,817.38 : x
  2. Step 2: Convert to fraction form
    18,945,780.64/26,145,141.72 = 10,685,817.38/x
  3. Step 3: Cross multiply
    18,945,780.64x = 26,145,141.72 × 10,685,817.38
  4. Step 4: Simplify right side
    18,945,780.64x = 279,382,209,794,139.09
  5. Step 5: Solve for x
    x = 279,382,209,794,139.09/18,945,780.64
  6. Step 6: Final answer
    x = 14,746,407.93

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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.