Home / 20,166,150.40-30,261,035.40-7,387,946.80

Finding the Fourth Proportional to 20,166,150.40, 30,261,035.40 and 7,387,946.80

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Solution

The fourth proportional to 20,166,150.40, 30,261,035.40 and 7,387,946.80 is: 11,086,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,150.40 : 30,261,035.40 = 7,387,946.80 : x
  2. Step 2: Convert to fraction form
    20,166,150.40/30,261,035.40 = 7,387,946.80/x
  3. Step 3: Cross multiply
    20,166,150.40x = 30,261,035.40 × 7,387,946.80
  4. Step 4: Simplify right side
    20,166,150.40x = 223,566,919,648,116.72
  5. Step 5: Solve for x
    x = 223,566,919,648,116.72/20,166,150.40
  6. Step 6: Final answer
    x = 11,086,246.77

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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.