Home / 13,671,926.90-20,507,890.35-11,449,027.70

Finding the Fourth Proportional to 13,671,926.90, 20,507,890.35 and 11,449,027.70

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Solution

The fourth proportional to 13,671,926.90, 20,507,890.35 and 11,449,027.70 is: 17,173,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,926.90 : 20,507,890.35 = 11,449,027.70 : x
  2. Step 2: Convert to fraction form
    13,671,926.90/20,507,890.35 = 11,449,027.70/x
  3. Step 3: Cross multiply
    13,671,926.90x = 20,507,890.35 × 11,449,027.70
  4. Step 4: Simplify right side
    13,671,926.90x = 234,795,404,685,712.69
  5. Step 5: Solve for x
    x = 234,795,404,685,712.69/13,671,926.90
  6. Step 6: Final answer
    x = 17,173,541.55

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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.