Home / 7,776,015.40-11,664,023.10-3,949,640.20

Finding the Fourth Proportional to 7,776,015.40, 11,664,023.10 and 3,949,640.20

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Solution

The fourth proportional to 7,776,015.40, 11,664,023.10 and 3,949,640.20 is: 5,924,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,015.40 : 11,664,023.10 = 3,949,640.20 : x
  2. Step 2: Convert to fraction form
    7,776,015.40/11,664,023.10 = 3,949,640.20/x
  3. Step 3: Cross multiply
    7,776,015.40x = 11,664,023.10 × 3,949,640.20
  4. Step 4: Simplify right side
    7,776,015.40x = 46,068,694,529,488.62
  5. Step 5: Solve for x
    x = 46,068,694,529,488.62/7,776,015.40
  6. Step 6: Final answer
    x = 5,924,460.30

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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.