Home / 30,992,282.37-42,757,797.65-19,385,435.97

Finding the Fourth Proportional to 30,992,282.37, 42,757,797.65 and 19,385,435.97

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Solution

The fourth proportional to 30,992,282.37, 42,757,797.65 and 19,385,435.97 is: 26,744,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992,282.37 : 42,757,797.65 = 19,385,435.97 : x
  2. Step 2: Convert to fraction form
    30,992,282.37/42,757,797.65 = 19,385,435.97/x
  3. Step 3: Cross multiply
    30,992,282.37x = 42,757,797.65 × 19,385,435.97
  4. Step 4: Simplify right side
    30,992,282.37x = 828,878,548,465,364.25
  5. Step 5: Solve for x
    x = 828,878,548,465,364.25/30,992,282.37
  6. Step 6: Final answer
    x = 26,744,675.93

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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.