Home / 8,638,723.50-12,960,216.56-2,573,431.65

Finding the Fourth Proportional to 8,638,723.50, 12,960,216.56 and 2,573,431.65

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Solution

The fourth proportional to 8,638,723.50, 12,960,216.56 and 2,573,431.65 is: 3,860,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,723.50 : 12,960,216.56 = 2,573,431.65 : x
  2. Step 2: Convert to fraction form
    8,638,723.50/12,960,216.56 = 2,573,431.65/x
  3. Step 3: Cross multiply
    8,638,723.50x = 12,960,216.56 × 2,573,431.65
  4. Step 4: Simplify right side
    8,638,723.50x = 33,352,231,473,490.96
  5. Step 5: Solve for x
    x = 33,352,231,473,490.96/8,638,723.50
  6. Step 6: Final answer
    x = 3,860,782.38

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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.