Home / 13,323,516.05-19,987,180.50-4,102,268.76

Finding the Fourth Proportional to 13,323,516.05, 19,987,180.50 and 4,102,268.76

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Solution

The fourth proportional to 13,323,516.05, 19,987,180.50 and 4,102,268.76 is: 6,153,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323,516.05 : 19,987,180.50 = 4,102,268.76 : x
  2. Step 2: Convert to fraction form
    13,323,516.05/19,987,180.50 = 4,102,268.76/x
  3. Step 3: Cross multiply
    13,323,516.05x = 19,987,180.50 × 4,102,268.76
  4. Step 4: Simplify right side
    13,323,516.05x = 81,992,786,205,998.66
  5. Step 5: Solve for x
    x = 81,992,786,205,998.66/13,323,516.05
  6. Step 6: Final answer
    x = 6,153,990.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.