Home / 20,800,030.98-28,704,650.96-11,381,387.43

Finding the Fourth Proportional to 20,800,030.98, 28,704,650.96 and 11,381,387.43

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Solution

The fourth proportional to 20,800,030.98, 28,704,650.96 and 11,381,387.43 is: 15,706,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,800,030.98 : 28,704,650.96 = 11,381,387.43 : x
  2. Step 2: Convert to fraction form
    20,800,030.98/28,704,650.96 = 11,381,387.43/x
  3. Step 3: Cross multiply
    20,800,030.98x = 28,704,650.96 × 11,381,387.43
  4. Step 4: Simplify right side
    20,800,030.98x = 326,698,753,754,777.31
  5. Step 5: Solve for x
    x = 326,698,753,754,777.31/20,800,030.98
  6. Step 6: Final answer
    x = 15,706,647.46

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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.