Home / 21,276,795.85-31,919,677.38-6,898,742.44

Finding the Fourth Proportional to 21,276,795.85, 31,919,677.38 and 6,898,742.44

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Solution

The fourth proportional to 21,276,795.85, 31,919,677.38 and 6,898,742.44 is: 10,349,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276,795.85 : 31,919,677.38 = 6,898,742.44 : x
  2. Step 2: Convert to fraction form
    21,276,795.85/31,919,677.38 = 6,898,742.44/x
  3. Step 3: Cross multiply
    21,276,795.85x = 31,919,677.38 × 6,898,742.44
  4. Step 4: Simplify right side
    21,276,795.85x = 220,205,633,012,514
  5. Step 5: Solve for x
    x = 220,205,633,012,514/21,276,795.85
  6. Step 6: Final answer
    x = 10,349,567.41

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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.