Home / 19,167,197.58-28,734,000.21-7,208,331.66

Finding the Fourth Proportional to 19,167,197.58, 28,734,000.21 and 7,208,331.66

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Solution

The fourth proportional to 19,167,197.58, 28,734,000.21 and 7,208,331.66 is: 10,806,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167,197.58 : 28,734,000.21 = 7,208,331.66 : x
  2. Step 2: Convert to fraction form
    19,167,197.58/28,734,000.21 = 7,208,331.66/x
  3. Step 3: Cross multiply
    19,167,197.58x = 28,734,000.21 × 7,208,331.66
  4. Step 4: Simplify right side
    19,167,197.58x = 207,124,203,432,189.66
  5. Step 5: Solve for x
    x = 207,124,203,432,189.66/19,167,197.58
  6. Step 6: Final answer
    x = 10,806,180.85

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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.