Home / 14,652,500.40-20,221,692.48-8,128,231.92

Finding the Fourth Proportional to 14,652,500.40, 20,221,692.48 and 8,128,231.92

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Solution

The fourth proportional to 14,652,500.40, 20,221,692.48 and 8,128,231.92 is: 11,217,648.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,500.40 : 20,221,692.48 = 8,128,231.92 : x
  2. Step 2: Convert to fraction form
    14,652,500.40/20,221,692.48 = 8,128,231.92/x
  3. Step 3: Cross multiply
    14,652,500.40x = 20,221,692.48 × 8,128,231.92
  4. Step 4: Simplify right side
    14,652,500.40x = 164,366,606,292,359.97
  5. Step 5: Solve for x
    x = 164,366,606,292,359.97/14,652,500.40
  6. Step 6: Final answer
    x = 11,217,648.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.