Home / 30,802,810.94-42,508,380.42-16,863,930.80

Finding the Fourth Proportional to 30,802,810.94, 42,508,380.42 and 16,863,930.80

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Solution

The fourth proportional to 30,802,810.94, 42,508,380.42 and 16,863,930.80 is: 23,272,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,810.94 : 42,508,380.42 = 16,863,930.80 : x
  2. Step 2: Convert to fraction form
    30,802,810.94/42,508,380.42 = 16,863,930.80/x
  3. Step 3: Cross multiply
    30,802,810.94x = 42,508,380.42 × 16,863,930.80
  4. Step 4: Simplify right side
    30,802,810.94x = 716,858,385,822,955
  5. Step 5: Solve for x
    x = 716,858,385,822,955/30,802,810.94
  6. Step 6: Final answer
    x = 23,272,498.97

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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.