Home / 21,963,747.80-30,309,919.56-12,040,613

Finding the Fourth Proportional to 21,963,747.80, 30,309,919.56 and 12,040,613

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Solution

The fourth proportional to 21,963,747.80, 30,309,919.56 and 12,040,613 is: 16,616,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963,747.80 : 30,309,919.56 = 12,040,613 : x
  2. Step 2: Convert to fraction form
    21,963,747.80/30,309,919.56 = 12,040,613/x
  3. Step 3: Cross multiply
    21,963,747.80x = 30,309,919.56 × 12,040,613
  4. Step 4: Simplify right side
    21,963,747.80x = 364,950,011,483,090.25
  5. Step 5: Solve for x
    x = 364,950,011,483,090.25/21,963,747.80
  6. Step 6: Final answer
    x = 16,616,017.21

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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.