Home / 49,787,856.72-74,639,187.96-19,104,455.28

Finding the Fourth Proportional to 49,787,856.72, 74,639,187.96 and 19,104,455.28

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Solution

The fourth proportional to 49,787,856.72, 74,639,187.96 and 19,104,455.28 is: 28,640,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,787,856.72 : 74,639,187.96 = 19,104,455.28 : x
  2. Step 2: Convert to fraction form
    49,787,856.72/74,639,187.96 = 19,104,455.28/x
  3. Step 3: Cross multiply
    49,787,856.72x = 74,639,187.96 × 19,104,455.28
  4. Step 4: Simplify right side
    49,787,856.72x = 1,425,941,028,517,334.50
  5. Step 5: Solve for x
    x = 1,425,941,028,517,334.50/49,787,856.72
  6. Step 6: Final answer
    x = 28,640,337.67

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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.