Home / 21,606,342.53-29,816,334.92-11,816,756.44

Finding the Fourth Proportional to 21,606,342.53, 29,816,334.92 and 11,816,756.44

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Solution

The fourth proportional to 21,606,342.53, 29,816,334.92 and 11,816,756.44 is: 16,306,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606,342.53 : 29,816,334.92 = 11,816,756.44 : x
  2. Step 2: Convert to fraction form
    21,606,342.53/29,816,334.92 = 11,816,756.44/x
  3. Step 3: Cross multiply
    21,606,342.53x = 29,816,334.92 × 11,816,756.44
  4. Step 4: Simplify right side
    21,606,342.53x = 352,332,367,638,107.94
  5. Step 5: Solve for x
    x = 352,332,367,638,107.94/21,606,342.53
  6. Step 6: Final answer
    x = 16,306,895.40

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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.