Home / 20,552,106.08-28,361,902.14-11,260,005.77

Finding the Fourth Proportional to 20,552,106.08, 28,361,902.14 and 11,260,005.77

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Solution

The fourth proportional to 20,552,106.08, 28,361,902.14 and 11,260,005.77 is: 15,538,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,106.08 : 28,361,902.14 = 11,260,005.77 : x
  2. Step 2: Convert to fraction form
    20,552,106.08/28,361,902.14 = 11,260,005.77/x
  3. Step 3: Cross multiply
    20,552,106.08x = 28,361,902.14 × 11,260,005.77
  4. Step 4: Simplify right side
    20,552,106.08x = 319,355,181,602,765.88
  5. Step 5: Solve for x
    x = 319,355,181,602,765.88/20,552,106.08
  6. Step 6: Final answer
    x = 15,538,805.63

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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.