Home / 23,101,831.89-31,882,298.61-13,178,933.04

Finding the Fourth Proportional to 23,101,831.89, 31,882,298.61 and 13,178,933.04

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Solution

The fourth proportional to 23,101,831.89, 31,882,298.61 and 13,178,933.04 is: 18,187,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,831.89 : 31,882,298.61 = 13,178,933.04 : x
  2. Step 2: Convert to fraction form
    23,101,831.89/31,882,298.61 = 13,178,933.04/x
  3. Step 3: Cross multiply
    23,101,831.89x = 31,882,298.61 × 13,178,933.04
  4. Step 4: Simplify right side
    23,101,831.89x = 420,174,678,542,475.06
  5. Step 5: Solve for x
    x = 420,174,678,542,475.06/23,101,831.89
  6. Step 6: Final answer
    x = 18,187,937.67

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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.