Home / 37,986,139.60-52,420,918.96-20,582,471.10

Finding the Fourth Proportional to 37,986,139.60, 52,420,918.96 and 20,582,471.10

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Solution

The fourth proportional to 37,986,139.60, 52,420,918.96 and 20,582,471.10 is: 28,403,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986,139.60 : 52,420,918.96 = 20,582,471.10 : x
  2. Step 2: Convert to fraction form
    37,986,139.60/52,420,918.96 = 20,582,471.10/x
  3. Step 3: Cross multiply
    37,986,139.60x = 52,420,918.96 × 20,582,471.10
  4. Step 4: Simplify right side
    37,986,139.60x = 1,078,952,049,529,642.12
  5. Step 5: Solve for x
    x = 1,078,952,049,529,642.12/37,986,139.60
  6. Step 6: Final answer
    x = 28,403,835.21

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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.