Home / 20,351,999.80-30,527,999.70-14,380,031.80

Finding the Fourth Proportional to 20,351,999.80, 30,527,999.70 and 14,380,031.80

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Solution

The fourth proportional to 20,351,999.80, 30,527,999.70 and 14,380,031.80 is: 21,570,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,999.80 : 30,527,999.70 = 14,380,031.80 : x
  2. Step 2: Convert to fraction form
    20,351,999.80/30,527,999.70 = 14,380,031.80/x
  3. Step 3: Cross multiply
    20,351,999.80x = 30,527,999.70 × 14,380,031.80
  4. Step 4: Simplify right side
    20,351,999.80x = 438,993,606,476,390.50
  5. Step 5: Solve for x
    x = 438,993,606,476,390.50/20,351,999.80
  6. Step 6: Final answer
    x = 21,570,047.70

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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.