Home / 28,331,193.80-42,496,790.70-22,166,478.20

Finding the Fourth Proportional to 28,331,193.80, 42,496,790.70 and 22,166,478.20

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Solution

The fourth proportional to 28,331,193.80, 42,496,790.70 and 22,166,478.20 is: 33,249,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,193.80 : 42,496,790.70 = 22,166,478.20 : x
  2. Step 2: Convert to fraction form
    28,331,193.80/42,496,790.70 = 22,166,478.20/x
  3. Step 3: Cross multiply
    28,331,193.80x = 42,496,790.70 × 22,166,478.20
  4. Step 4: Simplify right side
    28,331,193.80x = 942,004,184,621,512.75
  5. Step 5: Solve for x
    x = 942,004,184,621,512.75/28,331,193.80
  6. Step 6: Final answer
    x = 33,249,717.30

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Double scale
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Similar ratio
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1.5x scale

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.