Home / 13,725,901.60-20,574,855.60-8,043,200.80

Finding the Fourth Proportional to 13,725,901.60, 20,574,855.60 and 8,043,200.80

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Solution

The fourth proportional to 13,725,901.60, 20,574,855.60 and 8,043,200.80 is: 12,056,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725,901.60 : 20,574,855.60 = 8,043,200.80 : x
  2. Step 2: Convert to fraction form
    13,725,901.60/20,574,855.60 = 8,043,200.80/x
  3. Step 3: Cross multiply
    13,725,901.60x = 20,574,855.60 × 8,043,200.80
  4. Step 4: Simplify right side
    13,725,901.60x = 165,487,695,021,804.50
  5. Step 5: Solve for x
    x = 165,487,695,021,804.50/13,725,901.60
  6. Step 6: Final answer
    x = 12,056,599.26

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1.5x scale

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.