Home / 13,458,853.60-20,188,280.40-4,483,405.60

Finding the Fourth Proportional to 13,458,853.60, 20,188,280.40 and 4,483,405.60

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Solution

The fourth proportional to 13,458,853.60, 20,188,280.40 and 4,483,405.60 is: 6,725,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,853.60 : 20,188,280.40 = 4,483,405.60 : x
  2. Step 2: Convert to fraction form
    13,458,853.60/20,188,280.40 = 4,483,405.60/x
  3. Step 3: Cross multiply
    13,458,853.60x = 20,188,280.40 × 4,483,405.60
  4. Step 4: Simplify right side
    13,458,853.60x = 90,512,249,399,730.22
  5. Step 5: Solve for x
    x = 90,512,249,399,730.22/13,458,853.60
  6. Step 6: Final answer
    x = 6,725,108.40

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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.