Home / 38,238,839.85-52,769,606.58-20,835,185.07

Finding the Fourth Proportional to 38,238,839.85, 52,769,606.58 and 20,835,185.07

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Solution

The fourth proportional to 38,238,839.85, 52,769,606.58 and 20,835,185.07 is: 28,752,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238,839.85 : 52,769,606.58 = 20,835,185.07 : x
  2. Step 2: Convert to fraction form
    38,238,839.85/52,769,606.58 = 20,835,185.07/x
  3. Step 3: Cross multiply
    38,238,839.85x = 52,769,606.58 × 20,835,185.07
  4. Step 4: Simplify right side
    38,238,839.85x = 1,099,464,519,165,389.75
  5. Step 5: Solve for x
    x = 1,099,464,519,165,389.75/38,238,839.85
  6. Step 6: Final answer
    x = 28,752,559.53

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1.5x scale

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.