Home / 28,362,793.85-39,140,736.58-16,443,923.74

Finding the Fourth Proportional to 28,362,793.85, 39,140,736.58 and 16,443,923.74

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Solution

The fourth proportional to 28,362,793.85, 39,140,736.58 and 16,443,923.74 is: 22,692,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362,793.85 : 39,140,736.58 = 16,443,923.74 : x
  2. Step 2: Convert to fraction form
    28,362,793.85/39,140,736.58 = 16,443,923.74/x
  3. Step 3: Cross multiply
    28,362,793.85x = 39,140,736.58 × 16,443,923.74
  4. Step 4: Simplify right side
    28,362,793.85x = 643,627,287,325,394.75
  5. Step 5: Solve for x
    x = 643,627,287,325,394.75/28,362,793.85
  6. Step 6: Final answer
    x = 22,692,661.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.