Home / 19,781,427.15-27,311,699.34-12,350,414.25

Finding the Fourth Proportional to 19,781,427.15, 27,311,699.34 and 12,350,414.25

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Solution

The fourth proportional to 19,781,427.15, 27,311,699.34 and 12,350,414.25 is: 17,051,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,427.15 : 27,311,699.34 = 12,350,414.25 : x
  2. Step 2: Convert to fraction form
    19,781,427.15/27,311,699.34 = 12,350,414.25/x
  3. Step 3: Cross multiply
    19,781,427.15x = 27,311,699.34 × 12,350,414.25
  4. Step 4: Simplify right side
    19,781,427.15x = 337,310,800,720,451.56
  5. Step 5: Solve for x
    x = 337,310,800,720,451.56/19,781,427.15
  6. Step 6: Final answer
    x = 17,051,894.09

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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.