Home / 13,749,039-20,623,427.18-8,359,177.50

Finding the Fourth Proportional to 13,749,039, 20,623,427.18 and 8,359,177.50

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Solution

The fourth proportional to 13,749,039, 20,623,427.18 and 8,359,177.50 is: 12,538,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,039 : 20,623,427.18 = 8,359,177.50 : x
  2. Step 2: Convert to fraction form
    13,749,039/20,623,427.18 = 8,359,177.50/x
  3. Step 3: Cross multiply
    13,749,039x = 20,623,427.18 × 8,359,177.50
  4. Step 4: Simplify right side
    13,749,039x = 172,394,888,455,944.44
  5. Step 5: Solve for x
    x = 172,394,888,455,944.44/13,749,039
  6. Step 6: Final answer
    x = 12,538,686.41

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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.