Home / 30,802,810.44-42,508,379.73-16,863,930.30

Finding the Fourth Proportional to 30,802,810.44, 42,508,379.73 and 16,863,930.30

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Solution

The fourth proportional to 30,802,810.44, 42,508,379.73 and 16,863,930.30 is: 23,272,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,810.44 : 42,508,379.73 = 16,863,930.30 : x
  2. Step 2: Convert to fraction form
    30,802,810.44/42,508,379.73 = 16,863,930.30/x
  3. Step 3: Cross multiply
    30,802,810.44x = 42,508,379.73 × 16,863,930.30
  4. Step 4: Simplify right side
    30,802,810.44x = 716,858,352,932,652.75
  5. Step 5: Solve for x
    x = 716,858,352,932,652.75/30,802,810.44
  6. Step 6: Final answer
    x = 23,272,498.28

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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.