Home / 11,446,515.17-15,780,406.92-9,131,265.84

Finding the Fourth Proportional to 11,446,515.17, 15,780,406.92 and 9,131,265.84

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Solution

The fourth proportional to 11,446,515.17, 15,780,406.92 and 9,131,265.84 is: 12,588,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446,515.17 : 15,780,406.92 = 9,131,265.84 : x
  2. Step 2: Convert to fraction form
    11,446,515.17/15,780,406.92 = 9,131,265.84/x
  3. Step 3: Cross multiply
    11,446,515.17x = 15,780,406.92 × 9,131,265.84
  4. Step 4: Simplify right side
    11,446,515.17x = 144,095,090,649,895.62
  5. Step 5: Solve for x
    x = 144,095,090,649,895.62/11,446,515.17
  6. Step 6: Final answer
    x = 12,588,555.43

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1.5x scale

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.