Home / 13,240,538.61-18,273,474.09-7,735,289.64

Finding the Fourth Proportional to 13,240,538.61, 18,273,474.09 and 7,735,289.64

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Solution

The fourth proportional to 13,240,538.61, 18,273,474.09 and 7,735,289.64 is: 10,675,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240,538.61 : 18,273,474.09 = 7,735,289.64 : x
  2. Step 2: Convert to fraction form
    13,240,538.61/18,273,474.09 = 7,735,289.64/x
  3. Step 3: Cross multiply
    13,240,538.61x = 18,273,474.09 × 7,735,289.64
  4. Step 4: Simplify right side
    13,240,538.61x = 141,350,614,815,185.41
  5. Step 5: Solve for x
    x = 141,350,614,815,185.41/13,240,538.61
  6. Step 6: Final answer
    x = 10,675,594.02

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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.