Home / 22,421,682.75-30,941,921.89-12,108,405.54

Finding the Fourth Proportional to 22,421,682.75, 30,941,921.89 and 12,108,405.54

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Solution

The fourth proportional to 22,421,682.75, 30,941,921.89 and 12,108,405.54 is: 16,709,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,682.75 : 30,941,921.89 = 12,108,405.54 : x
  2. Step 2: Convert to fraction form
    22,421,682.75/30,941,921.89 = 12,108,405.54/x
  3. Step 3: Cross multiply
    22,421,682.75x = 30,941,921.89 × 12,108,405.54
  4. Step 4: Simplify right side
    22,421,682.75x = 374,657,338,370,581.25
  5. Step 5: Solve for x
    x = 374,657,338,370,581.25/22,421,682.75
  6. Step 6: Final answer
    x = 16,709,599.48

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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.