Home / 20,464,992.03-28,240,947.50-11,297,437.95

Finding the Fourth Proportional to 20,464,992.03, 28,240,947.50 and 11,297,437.95

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Solution

The fourth proportional to 20,464,992.03, 28,240,947.50 and 11,297,437.95 is: 15,590,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,992.03 : 28,240,947.50 = 11,297,437.95 : x
  2. Step 2: Convert to fraction form
    20,464,992.03/28,240,947.50 = 11,297,437.95/x
  3. Step 3: Cross multiply
    20,464,992.03x = 28,240,947.50 × 11,297,437.95
  4. Step 4: Simplify right side
    20,464,992.03x = 319,050,351,973,970.44
  5. Step 5: Solve for x
    x = 319,050,351,973,970.44/20,464,992.03
  6. Step 6: Final answer
    x = 15,590,055.03

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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.