Home / 18,927,636.98-28,391,455.44-4,550,705.28

Finding the Fourth Proportional to 18,927,636.98, 28,391,455.44 and 4,550,705.28

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Solution

The fourth proportional to 18,927,636.98, 28,391,455.44 and 4,550,705.28 is: 6,826,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,636.98 : 28,391,455.44 = 4,550,705.28 : x
  2. Step 2: Convert to fraction form
    18,927,636.98/28,391,455.44 = 4,550,705.28/x
  3. Step 3: Cross multiply
    18,927,636.98x = 28,391,455.44 × 4,550,705.28
  4. Step 4: Simplify right side
    18,927,636.98x = 129,201,146,177,692.73
  5. Step 5: Solve for x
    x = 129,201,146,177,692.73/18,927,636.98
  6. Step 6: Final answer
    x = 6,826,057.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.