Home / 12,252,353.60-18,378,530.40-12,063,396.80

Finding the Fourth Proportional to 12,252,353.60, 18,378,530.40 and 12,063,396.80

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Solution

The fourth proportional to 12,252,353.60, 18,378,530.40 and 12,063,396.80 is: 18,095,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,353.60 : 18,378,530.40 = 12,063,396.80 : x
  2. Step 2: Convert to fraction form
    12,252,353.60/18,378,530.40 = 12,063,396.80/x
  3. Step 3: Cross multiply
    12,252,353.60x = 18,378,530.40 × 12,063,396.80
  4. Step 4: Simplify right side
    12,252,353.60x = 221,707,504,816,062.72
  5. Step 5: Solve for x
    x = 221,707,504,816,062.72/12,252,353.60
  6. Step 6: Final answer
    x = 18,095,095.20

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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.