Home / 13,182,911.88-18,192,563.90-7,302,636.13

Finding the Fourth Proportional to 13,182,911.88, 18,192,563.90 and 7,302,636.13

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Solution

The fourth proportional to 13,182,911.88, 18,192,563.90 and 7,302,636.13 is: 10,077,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182,911.88 : 18,192,563.90 = 7,302,636.13 : x
  2. Step 2: Convert to fraction form
    13,182,911.88/18,192,563.90 = 7,302,636.13/x
  3. Step 3: Cross multiply
    13,182,911.88x = 18,192,563.90 × 7,302,636.13
  4. Step 4: Simplify right side
    13,182,911.88x = 132,853,674,399,282.62
  5. Step 5: Solve for x
    x = 132,853,674,399,282.62/13,182,911.88
  6. Step 6: Final answer
    x = 10,077,718.46

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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.