Home / 20,474,848.05-28,255,483.36-11,653,868.77

Finding the Fourth Proportional to 20,474,848.05, 28,255,483.36 and 11,653,868.77

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Solution

The fourth proportional to 20,474,848.05, 28,255,483.36 and 11,653,868.77 is: 16,082,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,474,848.05 : 28,255,483.36 = 11,653,868.77 : x
  2. Step 2: Convert to fraction form
    20,474,848.05/28,255,483.36 = 11,653,868.77/x
  3. Step 3: Cross multiply
    20,474,848.05x = 28,255,483.36 × 11,653,868.77
  4. Step 4: Simplify right side
    20,474,848.05x = 329,285,695,054,287.25
  5. Step 5: Solve for x
    x = 329,285,695,054,287.25/20,474,848.05
  6. Step 6: Final answer
    x = 16,082,448.78

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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.