Home / 13,488,400.80-20,232,601.20-4,391,355.60

Finding the Fourth Proportional to 13,488,400.80, 20,232,601.20 and 4,391,355.60

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Solution

The fourth proportional to 13,488,400.80, 20,232,601.20 and 4,391,355.60 is: 6,587,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,400.80 : 20,232,601.20 = 4,391,355.60 : x
  2. Step 2: Convert to fraction form
    13,488,400.80/20,232,601.20 = 4,391,355.60/x
  3. Step 3: Cross multiply
    13,488,400.80x = 20,232,601.20 × 4,391,355.60
  4. Step 4: Simplify right side
    13,488,400.80x = 88,848,546,582,186.70
  5. Step 5: Solve for x
    x = 88,848,546,582,186.70/13,488,400.80
  6. Step 6: Final answer
    x = 6,587,033.40

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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.