Home / 10,941,412.90-16,397,447.92-8,515,495.30

Finding the Fourth Proportional to 10,941,412.90, 16,397,447.92 and 8,515,495.30

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Solution

The fourth proportional to 10,941,412.90, 16,397,447.92 and 8,515,495.30 is: 12,761,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941,412.90 : 16,397,447.92 = 8,515,495.30 : x
  2. Step 2: Convert to fraction form
    10,941,412.90/16,397,447.92 = 8,515,495.30/x
  3. Step 3: Cross multiply
    10,941,412.90x = 16,397,447.92 × 8,515,495.30
  4. Step 4: Simplify right side
    10,941,412.90x = 139,632,390,605,118.50
  5. Step 5: Solve for x
    x = 139,632,390,605,118.50/10,941,412.90
  6. Step 6: Final answer
    x = 12,761,824.45

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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.