Home / 13,047,897.80-19,571,846.70-8,198,006.60

Finding the Fourth Proportional to 13,047,897.80, 19,571,846.70 and 8,198,006.60

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Solution

The fourth proportional to 13,047,897.80, 19,571,846.70 and 8,198,006.60 is: 12,297,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,897.80 : 19,571,846.70 = 8,198,006.60 : x
  2. Step 2: Convert to fraction form
    13,047,897.80/19,571,846.70 = 8,198,006.60/x
  3. Step 3: Cross multiply
    13,047,897.80x = 19,571,846.70 × 8,198,006.60
  4. Step 4: Simplify right side
    13,047,897.80x = 160,450,128,420,788.22
  5. Step 5: Solve for x
    x = 160,450,128,420,788.22/13,047,897.80
  6. Step 6: Final answer
    x = 12,297,009.90

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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.