Home / 9,415,643.56-12,993,535.89-5,285,673.61

Finding the Fourth Proportional to 9,415,643.56, 12,993,535.89 and 5,285,673.61

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Solution

The fourth proportional to 9,415,643.56, 12,993,535.89 and 5,285,673.61 is: 7,294,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415,643.56 : 12,993,535.89 = 5,285,673.61 : x
  2. Step 2: Convert to fraction form
    9,415,643.56/12,993,535.89 = 5,285,673.61/x
  3. Step 3: Cross multiply
    9,415,643.56x = 12,993,535.89 × 5,285,673.61
  4. Step 4: Simplify right side
    9,415,643.56x = 68,679,589,729,229.80
  5. Step 5: Solve for x
    x = 68,679,589,729,229.80/9,415,643.56
  6. Step 6: Final answer
    x = 7,294,200.26

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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.