Home / 13,466,831.76-18,545,084.94-11,699,912.94

Finding the Fourth Proportional to 13,466,831.76, 18,545,084.94 and 11,699,912.94

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Solution

The fourth proportional to 13,466,831.76, 18,545,084.94 and 11,699,912.94 is: 16,111,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,831.76 : 18,545,084.94 = 11,699,912.94 : x
  2. Step 2: Convert to fraction form
    13,466,831.76/18,545,084.94 = 11,699,912.94/x
  3. Step 3: Cross multiply
    13,466,831.76x = 18,545,084.94 × 11,699,912.94
  4. Step 4: Simplify right side
    13,466,831.76x = 216,975,879,262,905.12
  5. Step 5: Solve for x
    x = 216,975,879,262,905.12/13,466,831.76
  6. Step 6: Final answer
    x = 16,111,872.72

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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.