Home / 30,816,636.60-42,528,295.32-17,065,600.73

Finding the Fourth Proportional to 30,816,636.60, 42,528,295.32 and 17,065,600.73

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Solution

The fourth proportional to 30,816,636.60, 42,528,295.32 and 17,065,600.73 is: 23,551,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816,636.60 : 42,528,295.32 = 17,065,600.73 : x
  2. Step 2: Convert to fraction form
    30,816,636.60/42,528,295.32 = 17,065,600.73/x
  3. Step 3: Cross multiply
    30,816,636.60x = 42,528,295.32 × 17,065,600.73
  4. Step 4: Simplify right side
    30,816,636.60x = 725,770,907,541,491.25
  5. Step 5: Solve for x
    x = 725,770,907,541,491.25/30,816,636.60
  6. Step 6: Final answer
    x = 23,551,269.30

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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.