Home / 21,481,891.52-29,647,534.68-12,064,230.32

Finding the Fourth Proportional to 21,481,891.52, 29,647,534.68 and 12,064,230.32

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Solution

The fourth proportional to 21,481,891.52, 29,647,534.68 and 12,064,230.32 is: 16,650,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,891.52 : 29,647,534.68 = 12,064,230.32 : x
  2. Step 2: Convert to fraction form
    21,481,891.52/29,647,534.68 = 12,064,230.32/x
  3. Step 3: Cross multiply
    21,481,891.52x = 29,647,534.68 × 12,064,230.32
  4. Step 4: Simplify right side
    21,481,891.52x = 357,674,686,799,707.50
  5. Step 5: Solve for x
    x = 357,674,686,799,707.50/21,481,891.52
  6. Step 6: Final answer
    x = 16,650,055.53

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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.