Home / 13,416,030.60-18,525,629.61-12,982,200.36

Finding the Fourth Proportional to 13,416,030.60, 18,525,629.61 and 12,982,200.36

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Solution

The fourth proportional to 13,416,030.60, 18,525,629.61 and 12,982,200.36 is: 17,926,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416,030.60 : 18,525,629.61 = 12,982,200.36 : x
  2. Step 2: Convert to fraction form
    13,416,030.60/18,525,629.61 = 12,982,200.36/x
  3. Step 3: Cross multiply
    13,416,030.60x = 18,525,629.61 × 12,982,200.36
  4. Step 4: Simplify right side
    13,416,030.60x = 240,503,435,392,168.66
  5. Step 5: Solve for x
    x = 240,503,435,392,168.66/13,416,030.60
  6. Step 6: Final answer
    x = 17,926,571.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.