Home / 13,480,372.40-20,220,558.60-3,896,063.60

Finding the Fourth Proportional to 13,480,372.40, 20,220,558.60 and 3,896,063.60

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Solution

The fourth proportional to 13,480,372.40, 20,220,558.60 and 3,896,063.60 is: 5,844,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,372.40 : 20,220,558.60 = 3,896,063.60 : x
  2. Step 2: Convert to fraction form
    13,480,372.40/20,220,558.60 = 3,896,063.60/x
  3. Step 3: Cross multiply
    13,480,372.40x = 20,220,558.60 × 3,896,063.60
  4. Step 4: Simplify right side
    13,480,372.40x = 78,780,582,333,126.97
  5. Step 5: Solve for x
    x = 78,780,582,333,126.97/13,480,372.40
  6. Step 6: Final answer
    x = 5,844,095.40

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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.