Home / 12,846,999.90-17,729,981.07-7,046,902.65

Finding the Fourth Proportional to 12,846,999.90, 17,729,981.07 and 7,046,902.65

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Solution

The fourth proportional to 12,846,999.90, 17,729,981.07 and 7,046,902.65 is: 9,725,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846,999.90 : 17,729,981.07 = 7,046,902.65 : x
  2. Step 2: Convert to fraction form
    12,846,999.90/17,729,981.07 = 7,046,902.65/x
  3. Step 3: Cross multiply
    12,846,999.90x = 17,729,981.07 × 7,046,902.65
  4. Step 4: Simplify right side
    12,846,999.90x = 124,941,450,626,694.38
  5. Step 5: Solve for x
    x = 124,941,450,626,694.38/12,846,999.90
  6. Step 6: Final answer
    x = 9,725,340.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.