Home / 20,186,257.80-30,279,386.70-14,765,559.60

Finding the Fourth Proportional to 20,186,257.80, 30,279,386.70 and 14,765,559.60

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Solution

The fourth proportional to 20,186,257.80, 30,279,386.70 and 14,765,559.60 is: 22,148,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,257.80 : 30,279,386.70 = 14,765,559.60 : x
  2. Step 2: Convert to fraction form
    20,186,257.80/30,279,386.70 = 14,765,559.60/x
  3. Step 3: Cross multiply
    20,186,257.80x = 30,279,386.70 × 14,765,559.60
  4. Step 4: Simplify right side
    20,186,257.80x = 447,092,088,970,297.31
  5. Step 5: Solve for x
    x = 447,092,088,970,297.31/20,186,257.80
  6. Step 6: Final answer
    x = 22,148,339.40

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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.