Home / 15,047,846.86-20,767,801.44-8,936,275.36

Finding the Fourth Proportional to 15,047,846.86, 20,767,801.44 and 8,936,275.36

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Solution

The fourth proportional to 15,047,846.86, 20,767,801.44 and 8,936,275.36 is: 12,333,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047,846.86 : 20,767,801.44 = 8,936,275.36 : x
  2. Step 2: Convert to fraction form
    15,047,846.86/20,767,801.44 = 8,936,275.36/x
  3. Step 3: Cross multiply
    15,047,846.86x = 20,767,801.44 × 8,936,275.36
  4. Step 4: Simplify right side
    15,047,846.86x = 185,586,792,289,644.53
  5. Step 5: Solve for x
    x = 185,586,792,289,644.53/15,047,846.86
  6. Step 6: Final answer
    x = 12,333,112.77

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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.