Home / 13,903,512.84-19,185,789.60-7,790,760.36

Finding the Fourth Proportional to 13,903,512.84, 19,185,789.60 and 7,790,760.36

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Solution

The fourth proportional to 13,903,512.84, 19,185,789.60 and 7,790,760.36 is: 10,750,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,512.84 : 19,185,789.60 = 7,790,760.36 : x
  2. Step 2: Convert to fraction form
    13,903,512.84/19,185,789.60 = 7,790,760.36/x
  3. Step 3: Cross multiply
    13,903,512.84x = 19,185,789.60 × 7,790,760.36
  4. Step 4: Simplify right side
    13,903,512.84x = 149,471,889,090,980.28
  5. Step 5: Solve for x
    x = 149,471,889,090,980.28/13,903,512.84
  6. Step 6: Final answer
    x = 10,750,656.39

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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.