Home / 37,985,675.40-52,420,278.87-20,582,015.40

Finding the Fourth Proportional to 37,985,675.40, 52,420,278.87 and 20,582,015.40

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Solution

The fourth proportional to 37,985,675.40, 52,420,278.87 and 20,582,015.40 is: 28,403,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,985,675.40 : 52,420,278.87 = 20,582,015.40 : x
  2. Step 2: Convert to fraction form
    37,985,675.40/52,420,278.87 = 20,582,015.40/x
  3. Step 3: Cross multiply
    37,985,675.40x = 52,420,278.87 × 20,582,015.40
  4. Step 4: Simplify right side
    37,985,675.40x = 1,078,914,986,974,634.50
  5. Step 5: Solve for x
    x = 1,078,914,986,974,634.50/37,985,675.40
  6. Step 6: Final answer
    x = 28,403,206.62

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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.