Home / 12,363,270.40-18,554,121.60-6,376,556.80

Finding the Fourth Proportional to 12,363,270.40, 18,554,121.60 and 6,376,556.80

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Solution

The fourth proportional to 12,363,270.40, 18,554,121.60 and 6,376,556.80 is: 9,569,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363,270.40 : 18,554,121.60 = 6,376,556.80 : x
  2. Step 2: Convert to fraction form
    12,363,270.40/18,554,121.60 = 6,376,556.80/x
  3. Step 3: Cross multiply
    12,363,270.40x = 18,554,121.60 × 6,376,556.80
  4. Step 4: Simplify right side
    12,363,270.40x = 118,311,410,256,506.89
  5. Step 5: Solve for x
    x = 118,311,410,256,506.89/12,363,270.40
  6. Step 6: Final answer
    x = 9,569,588.50

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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.