Home / 7,111,254.45-9,813,557.15-3,848,069.20

Finding the Fourth Proportional to 7,111,254.45, 9,813,557.15 and 3,848,069.20

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Solution

The fourth proportional to 7,111,254.45, 9,813,557.15 and 3,848,069.20 is: 5,310,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,254.45 : 9,813,557.15 = 3,848,069.20 : x
  2. Step 2: Convert to fraction form
    7,111,254.45/9,813,557.15 = 3,848,069.20/x
  3. Step 3: Cross multiply
    7,111,254.45x = 9,813,557.15 × 3,848,069.20
  4. Step 4: Simplify right side
    7,111,254.45x = 37,763,246,992,114.44
  5. Step 5: Solve for x
    x = 37,763,246,992,114.44/7,111,254.45
  6. Step 6: Final answer
    x = 5,310,349.57

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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.