Home / 19,163,099.55-28,749,180.21-6,209,228.82

Finding the Fourth Proportional to 19,163,099.55, 28,749,180.21 and 6,209,228.82

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Solution

The fourth proportional to 19,163,099.55, 28,749,180.21 and 6,209,228.82 is: 9,315,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163,099.55 : 28,749,180.21 = 6,209,228.82 : x
  2. Step 2: Convert to fraction form
    19,163,099.55/28,749,180.21 = 6,209,228.82/x
  3. Step 3: Cross multiply
    19,163,099.55x = 28,749,180.21 × 6,209,228.82
  4. Step 4: Simplify right side
    19,163,099.55x = 178,510,238,311,305.66
  5. Step 5: Solve for x
    x = 178,510,238,311,305.66/19,163,099.55
  6. Step 6: Final answer
    x = 9,315,311.33

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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.