Home / 20,140,672.55-30,211,220.69-16,122,702.48

Finding the Fourth Proportional to 20,140,672.55, 30,211,220.69 and 16,122,702.48

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Solution

The fourth proportional to 20,140,672.55, 30,211,220.69 and 16,122,702.48 is: 24,184,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,672.55 : 30,211,220.69 = 16,122,702.48 : x
  2. Step 2: Convert to fraction form
    20,140,672.55/30,211,220.69 = 16,122,702.48/x
  3. Step 3: Cross multiply
    20,140,672.55x = 30,211,220.69 × 16,122,702.48
  4. Step 4: Simplify right side
    20,140,672.55x = 487,086,522,661,876.81
  5. Step 5: Solve for x
    x = 487,086,522,661,876.81/20,140,672.55
  6. Step 6: Final answer
    x = 24,184,223.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.