Home / 13,903,390.32-19,183,076.28-8,392,409.52

Finding the Fourth Proportional to 13,903,390.32, 19,183,076.28 and 8,392,409.52

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Solution

The fourth proportional to 13,903,390.32, 19,183,076.28 and 8,392,409.52 is: 11,579,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,390.32 : 19,183,076.28 = 8,392,409.52 : x
  2. Step 2: Convert to fraction form
    13,903,390.32/19,183,076.28 = 8,392,409.52/x
  3. Step 3: Cross multiply
    13,903,390.32x = 19,183,076.28 × 8,392,409.52
  4. Step 4: Simplify right side
    13,903,390.32x = 160,992,231,995,158.19
  5. Step 5: Solve for x
    x = 160,992,231,995,158.19/13,903,390.32
  6. Step 6: Final answer
    x = 11,579,350.67

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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.