Home / 13,852,216.60-20,760,205.20-7,448,680.60

Finding the Fourth Proportional to 13,852,216.60, 20,760,205.20 and 7,448,680.60

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Solution

The fourth proportional to 13,852,216.60, 20,760,205.20 and 7,448,680.60 is: 11,163,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852,216.60 : 20,760,205.20 = 7,448,680.60 : x
  2. Step 2: Convert to fraction form
    13,852,216.60/20,760,205.20 = 7,448,680.60/x
  3. Step 3: Cross multiply
    13,852,216.60x = 20,760,205.20 × 7,448,680.60
  4. Step 4: Simplify right side
    13,852,216.60x = 154,636,137,725,259.09
  5. Step 5: Solve for x
    x = 154,636,137,725,259.09/13,852,216.60
  6. Step 6: Final answer
    x = 11,163,277.49

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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.