Home / 26,093,165.60-39,139,748.40-8,139,936.80

Finding the Fourth Proportional to 26,093,165.60, 39,139,748.40 and 8,139,936.80

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Solution

The fourth proportional to 26,093,165.60, 39,139,748.40 and 8,139,936.80 is: 12,209,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,093,165.60 : 39,139,748.40 = 8,139,936.80 : x
  2. Step 2: Convert to fraction form
    26,093,165.60/39,139,748.40 = 8,139,936.80/x
  3. Step 3: Cross multiply
    26,093,165.60x = 39,139,748.40 × 8,139,936.80
  4. Step 4: Simplify right side
    26,093,165.60x = 318,595,078,343,901.12
  5. Step 5: Solve for x
    x = 318,595,078,343,901.12/26,093,165.60
  6. Step 6: Final answer
    x = 12,209,905.20

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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.