Home / 13,160,208.43-18,153,790.23-7,652,977.93

Finding the Fourth Proportional to 13,160,208.43, 18,153,790.23 and 7,652,977.93

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Solution

The fourth proportional to 13,160,208.43, 18,153,790.23 and 7,652,977.93 is: 10,556,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160,208.43 : 18,153,790.23 = 7,652,977.93 : x
  2. Step 2: Convert to fraction form
    13,160,208.43/18,153,790.23 = 7,652,977.93/x
  3. Step 3: Cross multiply
    13,160,208.43x = 18,153,790.23 × 7,652,977.93
  4. Step 4: Simplify right side
    13,160,208.43x = 138,930,555,976,039.62
  5. Step 5: Solve for x
    x = 138,930,555,976,039.62/13,160,208.43
  6. Step 6: Final answer
    x = 10,556,865.93

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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.