Home / 28,479,737.63-39,302,226.63-15,426,996.54

Finding the Fourth Proportional to 28,479,737.63, 39,302,226.63 and 15,426,996.54

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Solution

The fourth proportional to 28,479,737.63, 39,302,226.63 and 15,426,996.54 is: 21,289,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479,737.63 : 39,302,226.63 = 15,426,996.54 : x
  2. Step 2: Convert to fraction form
    28,479,737.63/39,302,226.63 = 15,426,996.54/x
  3. Step 3: Cross multiply
    28,479,737.63x = 39,302,226.63 × 15,426,996.54
  4. Step 4: Simplify right side
    28,479,737.63x = 606,315,314,235,305.88
  5. Step 5: Solve for x
    x = 606,315,314,235,305.88/28,479,737.63
  6. Step 6: Final answer
    x = 21,289,357.44

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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.