Home / 12,528,033.20-18,792,049.80-6,543,623.60

Finding the Fourth Proportional to 12,528,033.20, 18,792,049.80 and 6,543,623.60

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Solution

The fourth proportional to 12,528,033.20, 18,792,049.80 and 6,543,623.60 is: 9,815,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,033.20 : 18,792,049.80 = 6,543,623.60 : x
  2. Step 2: Convert to fraction form
    12,528,033.20/18,792,049.80 = 6,543,623.60/x
  3. Step 3: Cross multiply
    12,528,033.20x = 18,792,049.80 × 6,543,623.60
  4. Step 4: Simplify right side
    12,528,033.20x = 122,968,100,563,655.28
  5. Step 5: Solve for x
    x = 122,968,100,563,655.28/12,528,033.20
  6. Step 6: Final answer
    x = 9,815,435.40

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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.