Home / 14,508,040.87-20,021,096.18-7,981,530.26

Finding the Fourth Proportional to 14,508,040.87, 20,021,096.18 and 7,981,530.26

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Solution

The fourth proportional to 14,508,040.87, 20,021,096.18 and 7,981,530.26 is: 11,014,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,040.87 : 20,021,096.18 = 7,981,530.26 : x
  2. Step 2: Convert to fraction form
    14,508,040.87/20,021,096.18 = 7,981,530.26/x
  3. Step 3: Cross multiply
    14,508,040.87x = 20,021,096.18 × 7,981,530.26
  4. Step 4: Simplify right side
    14,508,040.87x = 159,798,984,959,132.75
  5. Step 5: Solve for x
    x = 159,798,984,959,132.75/14,508,040.87
  6. Step 6: Final answer
    x = 11,014,511.64

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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.