Home / 8,638,723.75-12,960,216.93-2,573,431.90

Finding the Fourth Proportional to 8,638,723.75, 12,960,216.93 and 2,573,431.90

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Solution

The fourth proportional to 8,638,723.75, 12,960,216.93 and 2,573,431.90 is: 3,860,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,723.75 : 12,960,216.93 = 2,573,431.90 : x
  2. Step 2: Convert to fraction form
    8,638,723.75/12,960,216.93 = 2,573,431.90/x
  3. Step 3: Cross multiply
    8,638,723.75x = 12,960,216.93 × 2,573,431.90
  4. Step 4: Simplify right side
    8,638,723.75x = 33,352,235,678,582.07
  5. Step 5: Solve for x
    x = 33,352,235,678,582.07/8,638,723.75
  6. Step 6: Final answer
    x = 3,860,782.75

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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.