Home / 33,011,840.64-45,556,505.12-20,629,124.40

Finding the Fourth Proportional to 33,011,840.64, 45,556,505.12 and 20,629,124.40

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Solution

The fourth proportional to 33,011,840.64, 45,556,505.12 and 20,629,124.40 is: 28,468,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011,840.64 : 45,556,505.12 = 20,629,124.40 : x
  2. Step 2: Convert to fraction form
    33,011,840.64/45,556,505.12 = 20,629,124.40/x
  3. Step 3: Cross multiply
    33,011,840.64x = 45,556,505.12 × 20,629,124.40
  4. Step 4: Simplify right side
    33,011,840.64x = 939,790,811,349,716.75
  5. Step 5: Solve for x
    x = 939,790,811,349,716.75/33,011,840.64
  6. Step 6: Final answer
    x = 28,468,294.80

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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.