Home / 14,021,899.16-19,350,168.64-7,826,891.78

Finding the Fourth Proportional to 14,021,899.16, 19,350,168.64 and 7,826,891.78

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Solution

The fourth proportional to 14,021,899.16, 19,350,168.64 and 7,826,891.78 is: 10,801,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,899.16 : 19,350,168.64 = 7,826,891.78 : x
  2. Step 2: Convert to fraction form
    14,021,899.16/19,350,168.64 = 7,826,891.78/x
  3. Step 3: Cross multiply
    14,021,899.16x = 19,350,168.64 × 7,826,891.78
  4. Step 4: Simplify right side
    14,021,899.16x = 151,451,675,898,837.97
  5. Step 5: Solve for x
    x = 151,451,675,898,837.97/14,021,899.16
  6. Step 6: Final answer
    x = 10,801,081.52

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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.