Home / 15,686,939.80-23,530,409.70-7,183,883.80

Finding the Fourth Proportional to 15,686,939.80, 23,530,409.70 and 7,183,883.80

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Solution

The fourth proportional to 15,686,939.80, 23,530,409.70 and 7,183,883.80 is: 10,775,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686,939.80 : 23,530,409.70 = 7,183,883.80 : x
  2. Step 2: Convert to fraction form
    15,686,939.80/23,530,409.70 = 7,183,883.80/x
  3. Step 3: Cross multiply
    15,686,939.80x = 23,530,409.70 × 7,183,883.80
  4. Step 4: Simplify right side
    15,686,939.80x = 169,039,729,051,192.84
  5. Step 5: Solve for x
    x = 169,039,729,051,192.84/15,686,939.80
  6. Step 6: Final answer
    x = 10,775,825.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.