Home / 38,388,119.84-52,975,609.37-20,984,535.98

Finding the Fourth Proportional to 38,388,119.84, 52,975,609.37 and 20,984,535.98

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Solution

The fourth proportional to 38,388,119.84, 52,975,609.37 and 20,984,535.98 is: 28,958,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388,119.84 : 52,975,609.37 = 20,984,535.98 : x
  2. Step 2: Convert to fraction form
    38,388,119.84/52,975,609.37 = 20,984,535.98/x
  3. Step 3: Cross multiply
    38,388,119.84x = 52,975,609.37 × 20,984,535.98
  4. Step 4: Simplify right side
    38,388,119.84x = 1,111,668,580,517,389.50
  5. Step 5: Solve for x
    x = 1,111,668,580,517,389.50/38,388,119.84
  6. Step 6: Final answer
    x = 28,958,661.83

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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.