Home / 37,986,120.35-52,420,892.40-20,582,451.84

Finding the Fourth Proportional to 37,986,120.35, 52,420,892.40 and 20,582,451.84

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Solution

The fourth proportional to 37,986,120.35, 52,420,892.40 and 20,582,451.84 is: 28,403,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986,120.35 : 52,420,892.40 = 20,582,451.84 : x
  2. Step 2: Convert to fraction form
    37,986,120.35/52,420,892.40 = 20,582,451.84/x
  3. Step 3: Cross multiply
    37,986,120.35x = 52,420,892.40 × 20,582,451.84
  4. Step 4: Simplify right side
    37,986,120.35x = 1,078,950,493,232,822
  5. Step 5: Solve for x
    x = 1,078,950,493,232,822/37,986,120.35
  6. Step 6: Final answer
    x = 28,403,808.64

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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.