Home / 30,802,611.36-42,507,939.60-17,051,805.12

Finding the Fourth Proportional to 30,802,611.36, 42,507,939.60 and 17,051,805.12

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Solution

The fourth proportional to 30,802,611.36, 42,507,939.60 and 17,051,805.12 is: 23,531,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,611.36 : 42,507,939.60 = 17,051,805.12 : x
  2. Step 2: Convert to fraction form
    30,802,611.36/42,507,939.60 = 17,051,805.12/x
  3. Step 3: Cross multiply
    30,802,611.36x = 42,507,939.60 × 17,051,805.12
  4. Step 4: Simplify right side
    30,802,611.36x = 724,837,102,111,930.88
  5. Step 5: Solve for x
    x = 724,837,102,111,930.88/30,802,611.36
  6. Step 6: Final answer
    x = 23,531,677.03

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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.