Home / 21,580,345.24-29,780,528.88-11,790,579.22

Finding the Fourth Proportional to 21,580,345.24, 29,780,528.88 and 11,790,579.22

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Solution

The fourth proportional to 21,580,345.24, 29,780,528.88 and 11,790,579.22 is: 16,270,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,345.24 : 29,780,528.88 = 11,790,579.22 : x
  2. Step 2: Convert to fraction form
    21,580,345.24/29,780,528.88 = 11,790,579.22/x
  3. Step 3: Cross multiply
    21,580,345.24x = 29,780,528.88 × 11,790,579.22
  4. Step 4: Simplify right side
    21,580,345.24x = 351,129,684,973,137.88
  5. Step 5: Solve for x
    x = 351,129,684,973,137.88/21,580,345.24
  6. Step 6: Final answer
    x = 16,270,809.44

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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.