Home / 12,583,786.12-18,783,812.78-10,798,144.36

Finding the Fourth Proportional to 12,583,786.12, 18,783,812.78 and 10,798,144.36

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Solution

The fourth proportional to 12,583,786.12, 18,783,812.78 and 10,798,144.36 is: 16,118,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583,786.12 : 18,783,812.78 = 10,798,144.36 : x
  2. Step 2: Convert to fraction form
    12,583,786.12/18,783,812.78 = 10,798,144.36/x
  3. Step 3: Cross multiply
    12,583,786.12x = 18,783,812.78 × 10,798,144.36
  4. Step 4: Simplify right side
    12,583,786.12x = 202,830,322,029,652.94
  5. Step 5: Solve for x
    x = 202,830,322,029,652.94/12,583,786.12
  6. Step 6: Final answer
    x = 16,118,386.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.