Home / 28,957,770.88-39,946,942.56-18,492,786.88

Finding the Fourth Proportional to 28,957,770.88, 39,946,942.56 and 18,492,786.88

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Solution

The fourth proportional to 28,957,770.88, 39,946,942.56 and 18,492,786.88 is: 25,510,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957,770.88 : 39,946,942.56 = 18,492,786.88 : x
  2. Step 2: Convert to fraction form
    28,957,770.88/39,946,942.56 = 18,492,786.88/x
  3. Step 3: Cross multiply
    28,957,770.88x = 39,946,942.56 × 18,492,786.88
  4. Step 4: Simplify right side
    28,957,770.88x = 738,730,295,269,681.62
  5. Step 5: Solve for x
    x = 738,730,295,269,681.62/28,957,770.88
  6. Step 6: Final answer
    x = 25,510,606.40

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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.