Home / 37,085,406.60-51,176,891.55-20,565,489.30

Finding the Fourth Proportional to 37,085,406.60, 51,176,891.55 and 20,565,489.30

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Solution

The fourth proportional to 37,085,406.60, 51,176,891.55 and 20,565,489.30 is: 28,379,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,085,406.60 : 51,176,891.55 = 20,565,489.30 : x
  2. Step 2: Convert to fraction form
    37,085,406.60/51,176,891.55 = 20,565,489.30/x
  3. Step 3: Cross multiply
    37,085,406.60x = 51,176,891.55 × 20,565,489.30
  4. Step 4: Simplify right side
    37,085,406.60x = 1,052,477,815,578,785.38
  5. Step 5: Solve for x
    x = 1,052,477,815,578,785.38/37,085,406.60
  6. Step 6: Final answer
    x = 28,379,837.57

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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.