Home / 18,622,638.37-25,684,681.94-12,098,369.94

Finding the Fourth Proportional to 18,622,638.37, 25,684,681.94 and 12,098,369.94

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Solution

The fourth proportional to 18,622,638.37, 25,684,681.94 and 12,098,369.94 is: 16,686,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,638.37 : 25,684,681.94 = 12,098,369.94 : x
  2. Step 2: Convert to fraction form
    18,622,638.37/25,684,681.94 = 12,098,369.94/x
  3. Step 3: Cross multiply
    18,622,638.37x = 25,684,681.94 × 12,098,369.94
  4. Step 4: Simplify right side
    18,622,638.37x = 310,742,783,934,392.69
  5. Step 5: Solve for x
    x = 310,742,783,934,392.69/18,622,638.37
  6. Step 6: Final answer
    x = 16,686,292.13

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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.