Home / 38,064,174.89-52,528,610.16-20,660,515.70

Finding the Fourth Proportional to 38,064,174.89, 52,528,610.16 and 20,660,515.70

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Solution

The fourth proportional to 38,064,174.89, 52,528,610.16 and 20,660,515.70 is: 28,511,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,064,174.89 : 52,528,610.16 = 20,660,515.70 : x
  2. Step 2: Convert to fraction form
    38,064,174.89/52,528,610.16 = 20,660,515.70/x
  3. Step 3: Cross multiply
    38,064,174.89x = 52,528,610.16 × 20,660,515.70
  4. Step 4: Simplify right side
    38,064,174.89x = 1,085,268,174,647,216.38
  5. Step 5: Solve for x
    x = 1,085,268,174,647,216.38/38,064,174.89
  6. Step 6: Final answer
    x = 28,511,538.16

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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.