Home / 12,736,560.45-19,107,362.12-3,638,735.49

Finding the Fourth Proportional to 12,736,560.45, 19,107,362.12 and 3,638,735.49

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Solution

The fourth proportional to 12,736,560.45, 19,107,362.12 and 3,638,735.49 is: 5,458,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736,560.45 : 19,107,362.12 = 3,638,735.49 : x
  2. Step 2: Convert to fraction form
    12,736,560.45/19,107,362.12 = 3,638,735.49/x
  3. Step 3: Cross multiply
    12,736,560.45x = 19,107,362.12 × 3,638,735.49
  4. Step 4: Simplify right side
    12,736,560.45x = 69,526,636,666,325.65
  5. Step 5: Solve for x
    x = 69,526,636,666,325.65/12,736,560.45
  6. Step 6: Final answer
    x = 5,458,823.59

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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.