Home / 19,409,447.80-29,103,674.10-8,051,044.60

Finding the Fourth Proportional to 19,409,447.80, 29,103,674.10 and 8,051,044.60

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Solution

The fourth proportional to 19,409,447.80, 29,103,674.10 and 8,051,044.60 is: 12,072,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409,447.80 : 29,103,674.10 = 8,051,044.60 : x
  2. Step 2: Convert to fraction form
    19,409,447.80/29,103,674.10 = 8,051,044.60/x
  3. Step 3: Cross multiply
    19,409,447.80x = 29,103,674.10 × 8,051,044.60
  4. Step 4: Simplify right side
    19,409,447.80x = 234,314,978,202,964.88
  5. Step 5: Solve for x
    x = 234,314,978,202,964.88/19,409,447.80
  6. Step 6: Final answer
    x = 12,072,212.49

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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.