Home / 18,691,296.85-25,793,934.40-10,431,271.23

Finding the Fourth Proportional to 18,691,296.85, 25,793,934.40 and 10,431,271.23

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Solution

The fourth proportional to 18,691,296.85, 25,793,934.40 and 10,431,271.23 is: 14,395,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691,296.85 : 25,793,934.40 = 10,431,271.23 : x
  2. Step 2: Convert to fraction form
    18,691,296.85/25,793,934.40 = 10,431,271.23/x
  3. Step 3: Cross multiply
    18,691,296.85x = 25,793,934.40 × 10,431,271.23
  4. Step 4: Simplify right side
    18,691,296.85x = 269,063,525,731,539.16
  5. Step 5: Solve for x
    x = 269,063,525,731,539.16/18,691,296.85
  6. Step 6: Final answer
    x = 14,395,123.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.