Home / 28,441,477.42-39,248,959.41-15,388,449.94

Finding the Fourth Proportional to 28,441,477.42, 39,248,959.41 and 15,388,449.94

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Solution

The fourth proportional to 28,441,477.42, 39,248,959.41 and 15,388,449.94 is: 21,235,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441,477.42 : 39,248,959.41 = 15,388,449.94 : x
  2. Step 2: Convert to fraction form
    28,441,477.42/39,248,959.41 = 15,388,449.94/x
  3. Step 3: Cross multiply
    28,441,477.42x = 39,248,959.41 × 15,388,449.94
  4. Step 4: Simplify right side
    28,441,477.42x = 603,980,647,077,876.88
  5. Step 5: Solve for x
    x = 603,980,647,077,876.88/28,441,477.42
  6. Step 6: Final answer
    x = 21,235,909.73

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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.