Home / 12,528,076.05-18,792,114.08-8,701,700.85

Finding the Fourth Proportional to 12,528,076.05, 18,792,114.08 and 8,701,700.85

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Solution

The fourth proportional to 12,528,076.05, 18,792,114.08 and 8,701,700.85 is: 13,052,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,076.05 : 18,792,114.08 = 8,701,700.85 : x
  2. Step 2: Convert to fraction form
    12,528,076.05/18,792,114.08 = 8,701,700.85/x
  3. Step 3: Cross multiply
    12,528,076.05x = 18,792,114.08 × 8,701,700.85
  4. Step 4: Simplify right side
    12,528,076.05x = 163,523,355,019,724.44
  5. Step 5: Solve for x
    x = 163,523,355,019,724.44/12,528,076.05
  6. Step 6: Final answer
    x = 13,052,551.28

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Similar ratio
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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.