Home / 13,575,500.60-20,362,790.10-3,478,220.60

Finding the Fourth Proportional to 13,575,500.60, 20,362,790.10 and 3,478,220.60

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Solution

The fourth proportional to 13,575,500.60, 20,362,790.10 and 3,478,220.60 is: 5,217,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,500.60 : 20,362,790.10 = 3,478,220.60 : x
  2. Step 2: Convert to fraction form
    13,575,500.60/20,362,790.10 = 3,478,220.60/x
  3. Step 3: Cross multiply
    13,575,500.60x = 20,362,790.10 × 3,478,220.60
  4. Step 4: Simplify right side
    13,575,500.60x = 70,826,275,999,296.06
  5. Step 5: Solve for x
    x = 70,826,275,999,296.06/13,575,500.60
  6. Step 6: Final answer
    x = 5,217,212.84

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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.