Home / 13,850,940.64-19,114,394.16-7,739,626.72

Finding the Fourth Proportional to 13,850,940.64, 19,114,394.16 and 7,739,626.72

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Solution

The fourth proportional to 13,850,940.64, 19,114,394.16 and 7,739,626.72 is: 10,680,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,940.64 : 19,114,394.16 = 7,739,626.72 : x
  2. Step 2: Convert to fraction form
    13,850,940.64/19,114,394.16 = 7,739,626.72/x
  3. Step 3: Cross multiply
    13,850,940.64x = 19,114,394.16 × 7,739,626.72
  4. Step 4: Simplify right side
    13,850,940.64x = 147,938,275,777,347.94
  5. Step 5: Solve for x
    x = 147,938,275,777,347.94/13,850,940.64
  6. Step 6: Final answer
    x = 10,680,738.56

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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.