Home / 38,372,716.08-52,954,239.90-20,969,171.52

Finding the Fourth Proportional to 38,372,716.08, 52,954,239.90 and 20,969,171.52

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Solution

The fourth proportional to 38,372,716.08, 52,954,239.90 and 20,969,171.52 is: 28,937,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372,716.08 : 52,954,239.90 = 20,969,171.52 : x
  2. Step 2: Convert to fraction form
    38,372,716.08/52,954,239.90 = 20,969,171.52/x
  3. Step 3: Cross multiply
    38,372,716.08x = 52,954,239.90 × 20,969,171.52
  4. Step 4: Simplify right side
    38,372,716.08x = 1,110,406,539,174,327.62
  5. Step 5: Solve for x
    x = 1,110,406,539,174,327.62/38,372,716.08
  6. Step 6: Final answer
    x = 28,937,397.52

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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.