Home / 28,366,550.44-42,543,604.86-8,167,405.48

Finding the Fourth Proportional to 28,366,550.44, 42,543,604.86 and 8,167,405.48

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Solution

The fourth proportional to 28,366,550.44, 42,543,604.86 and 8,167,405.48 is: 12,249,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,550.44 : 42,543,604.86 = 8,167,405.48 : x
  2. Step 2: Convert to fraction form
    28,366,550.44/42,543,604.86 = 8,167,405.48/x
  3. Step 3: Cross multiply
    28,366,550.44x = 42,543,604.86 × 8,167,405.48
  4. Step 4: Simplify right side
    28,366,550.44x = 347,470,871,472,518.62
  5. Step 5: Solve for x
    x = 347,470,871,472,518.62/28,366,550.44
  6. Step 6: Final answer
    x = 12,249,317.10

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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.