Home / 15,811,638.16-21,820,089-8,568,294.16

Finding the Fourth Proportional to 15,811,638.16, 21,820,089 and 8,568,294.16

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Solution

The fourth proportional to 15,811,638.16, 21,820,089 and 8,568,294.16 is: 11,824,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811,638.16 : 21,820,089 = 8,568,294.16 : x
  2. Step 2: Convert to fraction form
    15,811,638.16/21,820,089 = 8,568,294.16/x
  3. Step 3: Cross multiply
    15,811,638.16x = 21,820,089 × 8,568,294.16
  4. Step 4: Simplify right side
    15,811,638.16x = 186,960,941,149,380.25
  5. Step 5: Solve for x
    x = 186,960,941,149,380.25/15,811,638.16
  6. Step 6: Final answer
    x = 11,824,261.30

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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.