Home / 26,003,855.20-39,012,003.60-12,529,602.40

Finding the Fourth Proportional to 26,003,855.20, 39,012,003.60 and 12,529,602.40

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Solution

The fourth proportional to 26,003,855.20, 39,012,003.60 and 12,529,602.40 is: 18,797,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,003,855.20 : 39,012,003.60 = 12,529,602.40 : x
  2. Step 2: Convert to fraction form
    26,003,855.20/39,012,003.60 = 12,529,602.40/x
  3. Step 3: Cross multiply
    26,003,855.20x = 39,012,003.60 × 12,529,602.40
  4. Step 4: Simplify right side
    26,003,855.20x = 488,804,893,935,368.69
  5. Step 5: Solve for x
    x = 488,804,893,935,368.69/26,003,855.20
  6. Step 6: Final answer
    x = 18,797,401.01

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1.5x scale

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.