Home / 30,992,283.37-42,757,799.02-19,385,436.97

Finding the Fourth Proportional to 30,992,283.37, 42,757,799.02 and 19,385,436.97

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Solution

The fourth proportional to 30,992,283.37, 42,757,799.02 and 19,385,436.97 is: 26,744,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992,283.37 : 42,757,799.02 = 19,385,436.97 : x
  2. Step 2: Convert to fraction form
    30,992,283.37/42,757,799.02 = 19,385,436.97/x
  3. Step 3: Cross multiply
    30,992,283.37x = 42,757,799.02 × 19,385,436.97
  4. Step 4: Simplify right side
    30,992,283.37x = 828,878,617,878,137.75
  5. Step 5: Solve for x
    x = 828,878,617,878,137.75/30,992,283.37
  6. Step 6: Final answer
    x = 26,744,677.31

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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.