Home / 28,975,257.20-43,462,885.80-17,496,131.60

Finding the Fourth Proportional to 28,975,257.20, 43,462,885.80 and 17,496,131.60

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Solution

The fourth proportional to 28,975,257.20, 43,462,885.80 and 17,496,131.60 is: 26,244,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,257.20 : 43,462,885.80 = 17,496,131.60 : x
  2. Step 2: Convert to fraction form
    28,975,257.20/43,462,885.80 = 17,496,131.60/x
  3. Step 3: Cross multiply
    28,975,257.20x = 43,462,885.80 × 17,496,131.60
  4. Step 4: Simplify right side
    28,975,257.20x = 760,432,369,672,571.25
  5. Step 5: Solve for x
    x = 760,432,369,672,571.25/28,975,257.20
  6. Step 6: Final answer
    x = 26,244,197.40

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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.