Home / 30,303,600.88-41,805,653.24-18,543,429.36

Finding the Fourth Proportional to 30,303,600.88, 41,805,653.24 and 18,543,429.36

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Solution

The fourth proportional to 30,303,600.88, 41,805,653.24 and 18,543,429.36 is: 25,581,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303,600.88 : 41,805,653.24 = 18,543,429.36 : x
  2. Step 2: Convert to fraction form
    30,303,600.88/41,805,653.24 = 18,543,429.36/x
  3. Step 3: Cross multiply
    30,303,600.88x = 41,805,653.24 × 18,543,429.36
  4. Step 4: Simplify right side
    30,303,600.88x = 775,220,177,704,595.12
  5. Step 5: Solve for x
    x = 775,220,177,704,595.12/30,303,600.88
  6. Step 6: Final answer
    x = 25,581,784.18

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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.