Home / 39,065,842.35-53,908,234.56-21,661,543.26

Finding the Fourth Proportional to 39,065,842.35, 53,908,234.56 and 21,661,543.26

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Solution

The fourth proportional to 39,065,842.35, 53,908,234.56 and 21,661,543.26 is: 29,891,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065,842.35 : 53,908,234.56 = 21,661,543.26 : x
  2. Step 2: Convert to fraction form
    39,065,842.35/53,908,234.56 = 21,661,543.26/x
  3. Step 3: Cross multiply
    39,065,842.35x = 53,908,234.56 × 21,661,543.26
  4. Step 4: Simplify right side
    39,065,842.35x = 1,167,735,554,991,667.25
  5. Step 5: Solve for x
    x = 1,167,735,554,991,667.25/39,065,842.35
  6. Step 6: Final answer
    x = 29,891,472.57

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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.