Home / 12,622,600.40-18,886,661.40-8,371,072.40

Finding the Fourth Proportional to 12,622,600.40, 18,886,661.40 and 8,371,072.40

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Solution

The fourth proportional to 12,622,600.40, 18,886,661.40 and 8,371,072.40 is: 12,525,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,600.40 : 18,886,661.40 = 8,371,072.40 : x
  2. Step 2: Convert to fraction form
    12,622,600.40/18,886,661.40 = 8,371,072.40/x
  3. Step 3: Cross multiply
    12,622,600.40x = 18,886,661.40 × 8,371,072.40
  4. Step 4: Simplify right side
    12,622,600.40x = 158,101,609,973,685.34
  5. Step 5: Solve for x
    x = 158,101,609,973,685.34/12,622,600.40
  6. Step 6: Final answer
    x = 12,525,280.45

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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.