Home / 10,420,540.98-14,375,056.12-7,110,352.45

Finding the Fourth Proportional to 10,420,540.98, 14,375,056.12 and 7,110,352.45

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Solution

The fourth proportional to 10,420,540.98, 14,375,056.12 and 7,110,352.45 is: 9,808,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,540.98 : 14,375,056.12 = 7,110,352.45 : x
  2. Step 2: Convert to fraction form
    10,420,540.98/14,375,056.12 = 7,110,352.45/x
  3. Step 3: Cross multiply
    10,420,540.98x = 14,375,056.12 × 7,110,352.45
  4. Step 4: Simplify right side
    10,420,540.98x = 102,211,715,501,729.48
  5. Step 5: Solve for x
    x = 102,211,715,501,729.48/10,420,540.98
  6. Step 6: Final answer
    x = 9,808,676.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.