Home / 8,578,510.33-12,869,945.24-2,430,485.31

Finding the Fourth Proportional to 8,578,510.33, 12,869,945.24 and 2,430,485.31

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Solution

The fourth proportional to 8,578,510.33, 12,869,945.24 and 2,430,485.31 is: 3,646,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,510.33 : 12,869,945.24 = 2,430,485.31 : x
  2. Step 2: Convert to fraction form
    8,578,510.33/12,869,945.24 = 2,430,485.31/x
  3. Step 3: Cross multiply
    8,578,510.33x = 12,869,945.24 × 2,430,485.31
  4. Step 4: Simplify right side
    8,578,510.33x = 31,280,212,846,324.43
  5. Step 5: Solve for x
    x = 31,280,212,846,324.43/8,578,510.33
  6. Step 6: Final answer
    x = 3,646,345.54

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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.