Home / 19,697,924.55-26,986,030.77-18,961,313.49

Finding the Fourth Proportional to 19,697,924.55, 26,986,030.77 and 18,961,313.49

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Solution

The fourth proportional to 19,697,924.55, 26,986,030.77 and 18,961,313.49 is: 25,976,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697,924.55 : 26,986,030.77 = 18,961,313.49 : x
  2. Step 2: Convert to fraction form
    19,697,924.55/26,986,030.77 = 18,961,313.49/x
  3. Step 3: Cross multiply
    19,697,924.55x = 26,986,030.77 × 18,961,313.49
  4. Step 4: Simplify right side
    19,697,924.55x = 511,690,589,351,860.94
  5. Step 5: Solve for x
    x = 511,690,589,351,860.94/19,697,924.55
  6. Step 6: Final answer
    x = 25,976,878.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.