Home / 12,736,138.88-19,106,729.52-3,638,314.96

Finding the Fourth Proportional to 12,736,138.88, 19,106,729.52 and 3,638,314.96

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Solution

The fourth proportional to 12,736,138.88, 19,106,729.52 and 3,638,314.96 is: 5,458,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736,138.88 : 19,106,729.52 = 3,638,314.96 : x
  2. Step 2: Convert to fraction form
    12,736,138.88/19,106,729.52 = 3,638,314.96/x
  3. Step 3: Cross multiply
    12,736,138.88x = 19,106,729.52 × 3,638,314.96
  4. Step 4: Simplify right side
    12,736,138.88x = 69,516,299,849,289.62
  5. Step 5: Solve for x
    x = 69,516,299,849,289.62/12,736,138.88
  6. Step 6: Final answer
    x = 5,458,192.67

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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.