Home / 13,379,351.34-18,464,011.35-7,499,093.28

Finding the Fourth Proportional to 13,379,351.34, 18,464,011.35 and 7,499,093.28

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Solution

The fourth proportional to 13,379,351.34, 18,464,011.35 and 7,499,093.28 is: 10,349,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,351.34 : 18,464,011.35 = 7,499,093.28 : x
  2. Step 2: Convert to fraction form
    13,379,351.34/18,464,011.35 = 7,499,093.28/x
  3. Step 3: Cross multiply
    13,379,351.34x = 18,464,011.35 × 7,499,093.28
  4. Step 4: Simplify right side
    13,379,351.34x = 138,463,343,436,628.75
  5. Step 5: Solve for x
    x = 138,463,343,436,628.75/13,379,351.34
  6. Step 6: Final answer
    x = 10,349,032.62

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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.