Home / 26,003,856.20-39,012,005.10-12,529,603.40

Finding the Fourth Proportional to 26,003,856.20, 39,012,005.10 and 12,529,603.40

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Solution

The fourth proportional to 26,003,856.20, 39,012,005.10 and 12,529,603.40 is: 18,797,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,003,856.20 : 39,012,005.10 = 12,529,603.40 : x
  2. Step 2: Convert to fraction form
    26,003,856.20/39,012,005.10 = 12,529,603.40/x
  3. Step 3: Cross multiply
    26,003,856.20x = 39,012,005.10 × 12,529,603.40
  4. Step 4: Simplify right side
    26,003,856.20x = 488,804,951,741,777.38
  5. Step 5: Solve for x
    x = 488,804,951,741,777.38/26,003,856.20
  6. Step 6: Final answer
    x = 18,797,402.51

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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.