Home / 7,776,145.30-11,658,688.35-2,981,982.10

Finding the Fourth Proportional to 7,776,145.30, 11,658,688.35 and 2,981,982.10

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Solution

The fourth proportional to 7,776,145.30, 11,658,688.35 and 2,981,982.10 is: 4,470,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,145.30 : 11,658,688.35 = 2,981,982.10 : x
  2. Step 2: Convert to fraction form
    7,776,145.30/11,658,688.35 = 2,981,982.10/x
  3. Step 3: Cross multiply
    7,776,145.30x = 11,658,688.35 × 2,981,982.10
  4. Step 4: Simplify right side
    7,776,145.30x = 34,765,999,969,178.54
  5. Step 5: Solve for x
    x = 34,765,999,969,178.54/7,776,145.30
  6. Step 6: Final answer
    x = 4,470,852.67

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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.