Home / 8,113,839.60-12,170,759.40-2,130,812.40

Finding the Fourth Proportional to 8,113,839.60, 12,170,759.40 and 2,130,812.40

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Solution

The fourth proportional to 8,113,839.60, 12,170,759.40 and 2,130,812.40 is: 3,196,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113,839.60 : 12,170,759.40 = 2,130,812.40 : x
  2. Step 2: Convert to fraction form
    8,113,839.60/12,170,759.40 = 2,130,812.40/x
  3. Step 3: Cross multiply
    8,113,839.60x = 12,170,759.40 × 2,130,812.40
  4. Step 4: Simplify right side
    8,113,839.60x = 25,933,605,046,936.56
  5. Step 5: Solve for x
    x = 25,933,605,046,936.56/8,113,839.60
  6. Step 6: Final answer
    x = 3,196,218.60

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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.