Home / 22,017,562.85-30,380,588.27-12,725,999.72

Finding the Fourth Proportional to 22,017,562.85, 30,380,588.27 and 12,725,999.72

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Solution

The fourth proportional to 22,017,562.85, 30,380,588.27 and 12,725,999.72 is: 17,559,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017,562.85 : 30,380,588.27 = 12,725,999.72 : x
  2. Step 2: Convert to fraction form
    22,017,562.85/30,380,588.27 = 12,725,999.72/x
  3. Step 3: Cross multiply
    22,017,562.85x = 30,380,588.27 × 12,725,999.72
  4. Step 4: Simplify right side
    22,017,562.85x = 386,623,357,749,725.56
  5. Step 5: Solve for x
    x = 386,623,357,749,725.56/22,017,562.85
  6. Step 6: Final answer
    x = 17,559,770.83

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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.