Home / 20,464,511.58-28,240,852.77-11,296,957.50

Finding the Fourth Proportional to 20,464,511.58, 28,240,852.77 and 11,296,957.50

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Solution

The fourth proportional to 20,464,511.58, 28,240,852.77 and 11,296,957.50 is: 15,589,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,511.58 : 28,240,852.77 = 11,296,957.50 : x
  2. Step 2: Convert to fraction form
    20,464,511.58/28,240,852.77 = 11,296,957.50/x
  3. Step 3: Cross multiply
    20,464,511.58x = 28,240,852.77 × 11,296,957.50
  4. Step 4: Simplify right side
    20,464,511.58x = 319,035,713,506,447.25
  5. Step 5: Solve for x
    x = 319,035,713,506,447.25/20,464,511.58
  6. Step 6: Final answer
    x = 15,589,705.73

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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.