Home / 7,685,510.31-11,530,284.51-2,762,039.12

Finding the Fourth Proportional to 7,685,510.31, 11,530,284.51 and 2,762,039.12

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Solution

The fourth proportional to 7,685,510.31, 11,530,284.51 and 2,762,039.12 is: 4,143,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,510.31 : 11,530,284.51 = 2,762,039.12 : x
  2. Step 2: Convert to fraction form
    7,685,510.31/11,530,284.51 = 2,762,039.12/x
  3. Step 3: Cross multiply
    7,685,510.31x = 11,530,284.51 × 2,762,039.12
  4. Step 4: Simplify right side
    7,685,510.31x = 31,847,096,823,698.61
  5. Step 5: Solve for x
    x = 31,847,096,823,698.61/7,685,510.31
  6. Step 6: Final answer
    x = 4,143,784.28

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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.