Home / 7,776,004.80-11,664,007.20-5,636,049.60

Finding the Fourth Proportional to 7,776,004.80, 11,664,007.20 and 5,636,049.60

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Solution

The fourth proportional to 7,776,004.80, 11,664,007.20 and 5,636,049.60 is: 8,454,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,004.80 : 11,664,007.20 = 5,636,049.60 : x
  2. Step 2: Convert to fraction form
    7,776,004.80/11,664,007.20 = 5,636,049.60/x
  3. Step 3: Cross multiply
    7,776,004.80x = 11,664,007.20 × 5,636,049.60
  4. Step 4: Simplify right side
    7,776,004.80x = 65,738,923,113,957.11
  5. Step 5: Solve for x
    x = 65,738,923,113,957.11/7,776,004.80
  6. Step 6: Final answer
    x = 8,454,074.40

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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.