Home / 12,157,890.21-18,236,831.67-4,583,084.49

Finding the Fourth Proportional to 12,157,890.21, 18,236,831.67 and 4,583,084.49

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Solution

The fourth proportional to 12,157,890.21, 18,236,831.67 and 4,583,084.49 is: 6,874,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,890.21 : 18,236,831.67 = 4,583,084.49 : x
  2. Step 2: Convert to fraction form
    12,157,890.21/18,236,831.67 = 4,583,084.49/x
  3. Step 3: Cross multiply
    12,157,890.21x = 18,236,831.67 × 4,583,084.49
  4. Step 4: Simplify right side
    12,157,890.21x = 83,580,940,373,517.81
  5. Step 5: Solve for x
    x = 83,580,940,373,517.81/12,157,890.21
  6. Step 6: Final answer
    x = 6,874,625.36

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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.