Home / 38,678,399.07-58,011,289.09-11,378,309.43

Finding the Fourth Proportional to 38,678,399.07, 58,011,289.09 and 11,378,309.43

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Solution

The fourth proportional to 38,678,399.07, 58,011,289.09 and 11,378,309.43 is: 17,065,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,678,399.07 : 58,011,289.09 = 11,378,309.43 : x
  2. Step 2: Convert to fraction form
    38,678,399.07/58,011,289.09 = 11,378,309.43/x
  3. Step 3: Cross multiply
    38,678,399.07x = 58,011,289.09 × 11,378,309.43
  4. Step 4: Simplify right side
    38,678,399.07x = 660,070,397,699,203.12
  5. Step 5: Solve for x
    x = 660,070,397,699,203.12/38,678,399.07
  6. Step 6: Final answer
    x = 17,065,608.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.