Home / 13,405,469.60-20,113,453.20-4,886,667.20

Finding the Fourth Proportional to 13,405,469.60, 20,113,453.20 and 4,886,667.20

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Solution

The fourth proportional to 13,405,469.60, 20,113,453.20 and 4,886,667.20 is: 7,331,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,469.60 : 20,113,453.20 = 4,886,667.20 : x
  2. Step 2: Convert to fraction form
    13,405,469.60/20,113,453.20 = 4,886,667.20/x
  3. Step 3: Cross multiply
    13,405,469.60x = 20,113,453.20 × 4,886,667.20
  4. Step 4: Simplify right side
    13,405,469.60x = 98,287,752,031,175.05
  5. Step 5: Solve for x
    x = 98,287,752,031,175.05/13,405,469.60
  6. Step 6: Final answer
    x = 7,331,914.13

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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.