Home / 12,626,145.60-18,946,994.40-5,441,121.60

Finding the Fourth Proportional to 12,626,145.60, 18,946,994.40 and 5,441,121.60

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Solution

The fourth proportional to 12,626,145.60, 18,946,994.40 and 5,441,121.60 is: 8,165,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626,145.60 : 18,946,994.40 = 5,441,121.60 : x
  2. Step 2: Convert to fraction form
    12,626,145.60/18,946,994.40 = 5,441,121.60/x
  3. Step 3: Cross multiply
    12,626,145.60x = 18,946,994.40 × 5,441,121.60
  4. Step 4: Simplify right side
    12,626,145.60x = 103,092,900,484,919.03
  5. Step 5: Solve for x
    x = 103,092,900,484,919.03/12,626,145.60
  6. Step 6: Final answer
    x = 8,165,033.40

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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.