Home / 13,965,235.60-19,270,331.92-7,768,817.56

Finding the Fourth Proportional to 13,965,235.60, 19,270,331.92 and 7,768,817.56

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Solution

The fourth proportional to 13,965,235.60, 19,270,331.92 and 7,768,817.56 is: 10,720,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965,235.60 : 19,270,331.92 = 7,768,817.56 : x
  2. Step 2: Convert to fraction form
    13,965,235.60/19,270,331.92 = 7,768,817.56/x
  3. Step 3: Cross multiply
    13,965,235.60x = 19,270,331.92 × 7,768,817.56
  4. Step 4: Simplify right side
    13,965,235.60x = 149,707,693,007,124.53
  5. Step 5: Solve for x
    x = 149,707,693,007,124.53/13,965,235.60
  6. Step 6: Final answer
    x = 10,720,026.31

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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.