Home / 21,580,355.44-29,780,538.57-11,790,588.93

Finding the Fourth Proportional to 21,580,355.44, 29,780,538.57 and 11,790,588.93

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Solution

The fourth proportional to 21,580,355.44, 29,780,538.57 and 11,790,588.93 is: 16,270,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,355.44 : 29,780,538.57 = 11,790,588.93 : x
  2. Step 2: Convert to fraction form
    21,580,355.44/29,780,538.57 = 11,790,588.93/x
  3. Step 3: Cross multiply
    21,580,355.44x = 29,780,538.57 × 11,790,588.93
  4. Step 4: Simplify right side
    21,580,355.44x = 351,130,088,281,203
  5. Step 5: Solve for x
    x = 351,130,088,281,203/21,580,355.44
  6. Step 6: Final answer
    x = 16,270,820.43

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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.