Home / 28,043,117.70-42,064,676.55-17,529,771.30

Finding the Fourth Proportional to 28,043,117.70, 42,064,676.55 and 17,529,771.30

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Solution

The fourth proportional to 28,043,117.70, 42,064,676.55 and 17,529,771.30 is: 26,294,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,117.70 : 42,064,676.55 = 17,529,771.30 : x
  2. Step 2: Convert to fraction form
    28,043,117.70/42,064,676.55 = 17,529,771.30/x
  3. Step 3: Cross multiply
    28,043,117.70x = 42,064,676.55 × 17,529,771.30
  4. Step 4: Simplify right side
    28,043,117.70x = 737,384,159,729,973
  5. Step 5: Solve for x
    x = 737,384,159,729,973/28,043,117.70
  6. Step 6: Final answer
    x = 26,294,656.95

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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.