Home / 8,870,870.70-13,311,902.79-3,479,377.14

Finding the Fourth Proportional to 8,870,870.70, 13,311,902.79 and 3,479,377.14

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Solution

The fourth proportional to 8,870,870.70, 13,311,902.79 and 3,479,377.14 is: 5,221,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,870.70 : 13,311,902.79 = 3,479,377.14 : x
  2. Step 2: Convert to fraction form
    8,870,870.70/13,311,902.79 = 3,479,377.14/x
  3. Step 3: Cross multiply
    8,870,870.70x = 13,311,902.79 × 3,479,377.14
  4. Step 4: Simplify right side
    8,870,870.70x = 46,317,130,257,428.22
  5. Step 5: Solve for x
    x = 46,317,130,257,428.22/8,870,870.70
  6. Step 6: Final answer
    x = 5,221,260.89

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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.