Home / 21,580,537.39-29,781,173.59-12,288,115.01

Finding the Fourth Proportional to 21,580,537.39, 29,781,173.59 and 12,288,115.01

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Solution

The fourth proportional to 21,580,537.39, 29,781,173.59 and 12,288,115.01 is: 16,957,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,537.39 : 29,781,173.59 = 12,288,115.01 : x
  2. Step 2: Convert to fraction form
    21,580,537.39/29,781,173.59 = 12,288,115.01/x
  3. Step 3: Cross multiply
    21,580,537.39x = 29,781,173.59 × 12,288,115.01
  4. Step 4: Simplify right side
    21,580,537.39x = 365,954,486,250,427.19
  5. Step 5: Solve for x
    x = 365,954,486,250,427.19/21,580,537.39
  6. Step 6: Final answer
    x = 16,957,616.93

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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.