Home / 20,166,651.18-30,121,388.28-18,244,598.94

Finding the Fourth Proportional to 20,166,651.18, 30,121,388.28 and 18,244,598.94

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Solution

The fourth proportional to 20,166,651.18, 30,121,388.28 and 18,244,598.94 is: 27,250,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,651.18 : 30,121,388.28 = 18,244,598.94 : x
  2. Step 2: Convert to fraction form
    20,166,651.18/30,121,388.28 = 18,244,598.94/x
  3. Step 3: Cross multiply
    20,166,651.18x = 30,121,388.28 × 18,244,598.94
  4. Step 4: Simplify right side
    20,166,651.18x = 549,552,648,684,616.50
  5. Step 5: Solve for x
    x = 549,552,648,684,616.50/20,166,651.18
  6. Step 6: Final answer
    x = 27,250,565.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.