Home / 19,574,906.80-29,372,857.80-8,216,503.60

Finding the Fourth Proportional to 19,574,906.80, 29,372,857.80 and 8,216,503.60

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Solution

The fourth proportional to 19,574,906.80, 29,372,857.80 and 8,216,503.60 is: 12,329,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574,906.80 : 29,372,857.80 = 8,216,503.60 : x
  2. Step 2: Convert to fraction form
    19,574,906.80/29,372,857.80 = 8,216,503.60/x
  3. Step 3: Cross multiply
    19,574,906.80x = 29,372,857.80 × 8,216,503.60
  4. Step 4: Simplify right side
    19,574,906.80x = 241,342,191,855,988.06
  5. Step 5: Solve for x
    x = 241,342,191,855,988.06/19,574,906.80
  6. Step 6: Final answer
    x = 12,329,161.73

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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.