Home / 7,772,964.20-11,660,940.73-2,980,279.67

Finding the Fourth Proportional to 7,772,964.20, 11,660,940.73 and 2,980,279.67

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Solution

The fourth proportional to 7,772,964.20, 11,660,940.73 and 2,980,279.67 is: 4,470,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,964.20 : 11,660,940.73 = 2,980,279.67 : x
  2. Step 2: Convert to fraction form
    7,772,964.20/11,660,940.73 = 2,980,279.67/x
  3. Step 3: Cross multiply
    7,772,964.20x = 11,660,940.73 × 2,980,279.67
  4. Step 4: Simplify right side
    7,772,964.20x = 34,752,864,590,693.96
  5. Step 5: Solve for x
    x = 34,752,864,590,693.96/7,772,964.20
  6. Step 6: Final answer
    x = 4,470,992.50

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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.