Home / 20,099,589.60-30,149,384.40-16,981,802.40

Finding the Fourth Proportional to 20,099,589.60, 30,149,384.40 and 16,981,802.40

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Solution

The fourth proportional to 20,099,589.60, 30,149,384.40 and 16,981,802.40 is: 25,472,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099,589.60 : 30,149,384.40 = 16,981,802.40 : x
  2. Step 2: Convert to fraction form
    20,099,589.60/30,149,384.40 = 16,981,802.40/x
  3. Step 3: Cross multiply
    20,099,589.60x = 30,149,384.40 × 16,981,802.40
  4. Step 4: Simplify right side
    20,099,589.60x = 511,990,888,362,442.50
  5. Step 5: Solve for x
    x = 511,990,888,362,442.50/20,099,589.60
  6. Step 6: Final answer
    x = 25,472,703.60

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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.