Home / 31,280,190.60-46,920,192.04-7,936,888.29

Finding the Fourth Proportional to 31,280,190.60, 46,920,192.04 and 7,936,888.29

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Solution

The fourth proportional to 31,280,190.60, 46,920,192.04 and 7,936,888.29 is: 11,905,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280,190.60 : 46,920,192.04 = 7,936,888.29 : x
  2. Step 2: Convert to fraction form
    31,280,190.60/46,920,192.04 = 7,936,888.29/x
  3. Step 3: Cross multiply
    31,280,190.60x = 46,920,192.04 × 7,936,888.29
  4. Step 4: Simplify right side
    31,280,190.60x = 372,400,322,600,797.56
  5. Step 5: Solve for x
    x = 372,400,322,600,797.56/31,280,190.60
  6. Step 6: Final answer
    x = 11,905,308.61

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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.