Home / 40,326,544.80-60,489,817.20-13,400,200.80

Finding the Fourth Proportional to 40,326,544.80, 60,489,817.20 and 13,400,200.80

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Solution

The fourth proportional to 40,326,544.80, 60,489,817.20 and 13,400,200.80 is: 20,100,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,326,544.80 : 60,489,817.20 = 13,400,200.80 : x
  2. Step 2: Convert to fraction form
    40,326,544.80/60,489,817.20 = 13,400,200.80/x
  3. Step 3: Cross multiply
    40,326,544.80x = 60,489,817.20 × 13,400,200.80
  4. Step 4: Simplify right side
    40,326,544.80x = 810,575,696,835,293.88
  5. Step 5: Solve for x
    x = 810,575,696,835,293.88/40,326,544.80
  6. Step 6: Final answer
    x = 20,100,301.20

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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.