Home / 38,252,486.48-52,789,537.68-20,849,958.86

Finding the Fourth Proportional to 38,252,486.48, 52,789,537.68 and 20,849,958.86

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Solution

The fourth proportional to 38,252,486.48, 52,789,537.68 and 20,849,958.86 is: 28,773,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,252,486.48 : 52,789,537.68 = 20,849,958.86 : x
  2. Step 2: Convert to fraction form
    38,252,486.48/52,789,537.68 = 20,849,958.86/x
  3. Step 3: Cross multiply
    38,252,486.48x = 52,789,537.68 × 20,849,958.86
  4. Step 4: Simplify right side
    38,252,486.48x = 1,100,659,688,866,419.75
  5. Step 5: Solve for x
    x = 1,100,659,688,866,419.75/38,252,486.48
  6. Step 6: Final answer
    x = 28,773,546.25

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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.