Home / 30,497,998.80-45,746,706.60-7,469,034.60

Finding the Fourth Proportional to 30,497,998.80, 45,746,706.60 and 7,469,034.60

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Solution

The fourth proportional to 30,497,998.80, 45,746,706.60 and 7,469,034.60 is: 11,203,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497,998.80 : 45,746,706.60 = 7,469,034.60 : x
  2. Step 2: Convert to fraction form
    30,497,998.80/45,746,706.60 = 7,469,034.60/x
  3. Step 3: Cross multiply
    30,497,998.80x = 45,746,706.60 × 7,469,034.60
  4. Step 4: Simplify right side
    30,497,998.80x = 341,683,734,431,448.38
  5. Step 5: Solve for x
    x = 341,683,734,431,448.38/30,497,998.80
  6. Step 6: Final answer
    x = 11,203,480.49

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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.