Home / 21,568,838.52-29,765,010.06-11,779,419

Finding the Fourth Proportional to 21,568,838.52, 29,765,010.06 and 11,779,419

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Solution

The fourth proportional to 21,568,838.52, 29,765,010.06 and 11,779,419 is: 16,255,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568,838.52 : 29,765,010.06 = 11,779,419 : x
  2. Step 2: Convert to fraction form
    21,568,838.52/29,765,010.06 = 11,779,419/x
  3. Step 3: Cross multiply
    21,568,838.52x = 29,765,010.06 × 11,779,419
  4. Step 4: Simplify right side
    21,568,838.52x = 350,614,525,035,955.12
  5. Step 5: Solve for x
    x = 350,614,525,035,955.12/21,568,838.52
  6. Step 6: Final answer
    x = 16,255,605.27

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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.