Home / 12,736,474.75-19,104,878.16-3,638,869.15

Finding the Fourth Proportional to 12,736,474.75, 19,104,878.16 and 3,638,869.15

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Solution

The fourth proportional to 12,736,474.75, 19,104,878.16 and 3,638,869.15 is: 5,458,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736,474.75 : 19,104,878.16 = 3,638,869.15 : x
  2. Step 2: Convert to fraction form
    12,736,474.75/19,104,878.16 = 3,638,869.15/x
  3. Step 3: Cross multiply
    12,736,474.75x = 19,104,878.16 × 3,638,869.15
  4. Step 4: Simplify right side
    12,736,474.75x = 69,520,151,750,932.77
  5. Step 5: Solve for x
    x = 69,520,151,750,932.77/12,736,474.75
  6. Step 6: Final answer
    x = 5,458,351.16

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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.