Home / 38,083,578.40-52,555,171.98-20,679,782.32

Finding the Fourth Proportional to 38,083,578.40, 52,555,171.98 and 20,679,782.32

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Solution

The fourth proportional to 38,083,578.40, 52,555,171.98 and 20,679,782.32 is: 28,538,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083,578.40 : 52,555,171.98 = 20,679,782.32 : x
  2. Step 2: Convert to fraction form
    38,083,578.40/52,555,171.98 = 20,679,782.32/x
  3. Step 3: Cross multiply
    38,083,578.40x = 52,555,171.98 × 20,679,782.32
  4. Step 4: Simplify right side
    38,083,578.40x = 1,086,829,516,336,563.38
  5. Step 5: Solve for x
    x = 1,086,829,516,336,563.38/38,083,578.40
  6. Step 6: Final answer
    x = 28,538,009.35

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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.