Home / 20,168,643.60-30,255,730.20-6,704,067.60

Finding the Fourth Proportional to 20,168,643.60, 30,255,730.20 and 6,704,067.60

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Solution

The fourth proportional to 20,168,643.60, 30,255,730.20 and 6,704,067.60 is: 10,057,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168,643.60 : 30,255,730.20 = 6,704,067.60 : x
  2. Step 2: Convert to fraction form
    20,168,643.60/30,255,730.20 = 6,704,067.60/x
  3. Step 3: Cross multiply
    20,168,643.60x = 30,255,730.20 × 6,704,067.60
  4. Step 4: Simplify right side
    20,168,643.60x = 202,836,460,548,161.50
  5. Step 5: Solve for x
    x = 202,836,460,548,161.50/20,168,643.60
  6. Step 6: Final answer
    x = 10,057,020.42

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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.