Home / 38,248,477.44-52,784,770.23-21,508,485.42

Finding the Fourth Proportional to 38,248,477.44, 52,784,770.23 and 21,508,485.42

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Solution

The fourth proportional to 38,248,477.44, 52,784,770.23 and 21,508,485.42 is: 29,682,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248,477.44 : 52,784,770.23 = 21,508,485.42 : x
  2. Step 2: Convert to fraction form
    38,248,477.44/52,784,770.23 = 21,508,485.42/x
  3. Step 3: Cross multiply
    38,248,477.44x = 52,784,770.23 × 21,508,485.42
  4. Step 4: Simplify right side
    38,248,477.44x = 1,135,320,460,890,005
  5. Step 5: Solve for x
    x = 1,135,320,460,890,005/38,248,477.44
  6. Step 6: Final answer
    x = 29,682,762.21

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1.5x scale

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.