Home / 7,120,540.88-10,681,468-2,328,254.72

Finding the Fourth Proportional to 7,120,540.88, 10,681,468 and 2,328,254.72

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Solution

The fourth proportional to 7,120,540.88, 10,681,468 and 2,328,254.72 is: 3,492,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,540.88 : 10,681,468 = 2,328,254.72 : x
  2. Step 2: Convert to fraction form
    7,120,540.88/10,681,468 = 2,328,254.72/x
  3. Step 3: Cross multiply
    7,120,540.88x = 10,681,468 × 2,328,254.72
  4. Step 4: Simplify right side
    7,120,540.88x = 24,869,178,287,528.96
  5. Step 5: Solve for x
    x = 24,869,178,287,528.96/7,120,540.88
  6. Step 6: Final answer
    x = 3,492,596.80

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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.