Home / 7,656,915.14-10,566,768.28-4,219,377.60

Finding the Fourth Proportional to 7,656,915.14, 10,566,768.28 and 4,219,377.60

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Solution

The fourth proportional to 7,656,915.14, 10,566,768.28 and 4,219,377.60 is: 5,822,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,915.14 : 10,566,768.28 = 4,219,377.60 : x
  2. Step 2: Convert to fraction form
    7,656,915.14/10,566,768.28 = 4,219,377.60/x
  3. Step 3: Cross multiply
    7,656,915.14x = 10,566,768.28 × 4,219,377.60
  4. Step 4: Simplify right side
    7,656,915.14x = 44,585,185,385,022.52
  5. Step 5: Solve for x
    x = 44,585,185,385,022.52/7,656,915.14
  6. Step 6: Final answer
    x = 5,822,865.29

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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.