Home / 19,764,809.40-29,647,214.10-6,985,212.60

Finding the Fourth Proportional to 19,764,809.40, 29,647,214.10 and 6,985,212.60

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Solution

The fourth proportional to 19,764,809.40, 29,647,214.10 and 6,985,212.60 is: 10,477,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764,809.40 : 29,647,214.10 = 6,985,212.60 : x
  2. Step 2: Convert to fraction form
    19,764,809.40/29,647,214.10 = 6,985,212.60/x
  3. Step 3: Cross multiply
    19,764,809.40x = 29,647,214.10 × 6,985,212.60
  4. Step 4: Simplify right side
    19,764,809.40x = 207,092,093,486,217.66
  5. Step 5: Solve for x
    x = 207,092,093,486,217.66/19,764,809.40
  6. Step 6: Final answer
    x = 10,477,818.90

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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.