Home / 7,680,246.40-11,520,369.60-2,631,721.60

Finding the Fourth Proportional to 7,680,246.40, 11,520,369.60 and 2,631,721.60

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Solution

The fourth proportional to 7,680,246.40, 11,520,369.60 and 2,631,721.60 is: 3,947,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,246.40 : 11,520,369.60 = 2,631,721.60 : x
  2. Step 2: Convert to fraction form
    7,680,246.40/11,520,369.60 = 2,631,721.60/x
  3. Step 3: Cross multiply
    7,680,246.40x = 11,520,369.60 × 2,631,721.60
  4. Step 4: Simplify right side
    7,680,246.40x = 30,318,405,516,303.36
  5. Step 5: Solve for x
    x = 30,318,405,516,303.36/7,680,246.40
  6. Step 6: Final answer
    x = 3,947,582.40

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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.