Home / 13,083,771.98-18,055,606.20-7,282,429.22

Finding the Fourth Proportional to 13,083,771.98, 18,055,606.20 and 7,282,429.22

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Solution

The fourth proportional to 13,083,771.98, 18,055,606.20 and 7,282,429.22 is: 10,049,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083,771.98 : 18,055,606.20 = 7,282,429.22 : x
  2. Step 2: Convert to fraction form
    13,083,771.98/18,055,606.20 = 7,282,429.22/x
  3. Step 3: Cross multiply
    13,083,771.98x = 18,055,606.20 × 7,282,429.22
  4. Step 4: Simplify right side
    13,083,771.98x = 131,488,674,175,693.16
  5. Step 5: Solve for x
    x = 131,488,674,175,693.16/13,083,771.98
  6. Step 6: Final answer
    x = 10,049,752.81

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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.