Home / 18,782,597.70-28,173,896.55-9,199,455.30

Finding the Fourth Proportional to 18,782,597.70, 28,173,896.55 and 9,199,455.30

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Solution

The fourth proportional to 18,782,597.70, 28,173,896.55 and 9,199,455.30 is: 13,799,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,597.70 : 28,173,896.55 = 9,199,455.30 : x
  2. Step 2: Convert to fraction form
    18,782,597.70/28,173,896.55 = 9,199,455.30/x
  3. Step 3: Cross multiply
    18,782,597.70x = 28,173,896.55 × 9,199,455.30
  4. Step 4: Simplify right side
    18,782,597.70x = 259,184,501,938,549.25
  5. Step 5: Solve for x
    x = 259,184,501,938,549.25/18,782,597.70
  6. Step 6: Final answer
    x = 13,799,182.95

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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.