Home / 8,686,906.80-13,035,025.80-3,638,727.60

Finding the Fourth Proportional to 8,686,906.80, 13,035,025.80 and 3,638,727.60

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Solution

The fourth proportional to 8,686,906.80, 13,035,025.80 and 3,638,727.60 is: 5,460,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,906.80 : 13,035,025.80 = 3,638,727.60 : x
  2. Step 2: Convert to fraction form
    8,686,906.80/13,035,025.80 = 3,638,727.60/x
  3. Step 3: Cross multiply
    8,686,906.80x = 13,035,025.80 × 3,638,727.60
  4. Step 4: Simplify right side
    8,686,906.80x = 47,430,908,145,172.09
  5. Step 5: Solve for x
    x = 47,430,908,145,172.09/8,686,906.80
  6. Step 6: Final answer
    x = 5,460,045.70

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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.