Home / 13,520,164.60-20,280,246.90-5,434,388.20

Finding the Fourth Proportional to 13,520,164.60, 20,280,246.90 and 5,434,388.20

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Solution

The fourth proportional to 13,520,164.60, 20,280,246.90 and 5,434,388.20 is: 8,151,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,164.60 : 20,280,246.90 = 5,434,388.20 : x
  2. Step 2: Convert to fraction form
    13,520,164.60/20,280,246.90 = 5,434,388.20/x
  3. Step 3: Cross multiply
    13,520,164.60x = 20,280,246.90 × 5,434,388.20
  4. Step 4: Simplify right side
    13,520,164.60x = 110,210,734,446,446.58
  5. Step 5: Solve for x
    x = 110,210,734,446,446.58/13,520,164.60
  6. Step 6: Final answer
    x = 8,151,582.30

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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.