Home / 22,335,431.44-30,823,643.84-12,412,732.28

Finding the Fourth Proportional to 22,335,431.44, 30,823,643.84 and 12,412,732.28

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Solution

The fourth proportional to 22,335,431.44, 30,823,643.84 and 12,412,732.28 is: 17,129,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335,431.44 : 30,823,643.84 = 12,412,732.28 : x
  2. Step 2: Convert to fraction form
    22,335,431.44/30,823,643.84 = 12,412,732.28/x
  3. Step 3: Cross multiply
    22,335,431.44x = 30,823,643.84 × 12,412,732.28
  4. Step 4: Simplify right side
    22,335,431.44x = 382,605,638,879,991.12
  5. Step 5: Solve for x
    x = 382,605,638,879,991.12/22,335,431.44
  6. Step 6: Final answer
    x = 17,129,986.49

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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.