Home / 20,058,337.80-30,087,506.70-17,188,556.40

Finding the Fourth Proportional to 20,058,337.80, 30,087,506.70 and 17,188,556.40

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Solution

The fourth proportional to 20,058,337.80, 30,087,506.70 and 17,188,556.40 is: 25,782,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058,337.80 : 30,087,506.70 = 17,188,556.40 : x
  2. Step 2: Convert to fraction form
    20,058,337.80/30,087,506.70 = 17,188,556.40/x
  3. Step 3: Cross multiply
    20,058,337.80x = 30,087,506.70 × 17,188,556.40
  4. Step 4: Simplify right side
    20,058,337.80x = 517,160,805,848,327.81
  5. Step 5: Solve for x
    x = 517,160,805,848,327.81/20,058,337.80
  6. Step 6: Final answer
    x = 25,782,834.60

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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.