Home / 26,431,756.80-39,642,905.60-16,818,579.60

Finding the Fourth Proportional to 26,431,756.80, 39,642,905.60 and 16,818,579.60

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Solution

The fourth proportional to 26,431,756.80, 39,642,905.60 and 16,818,579.60 is: 25,224,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431,756.80 : 39,642,905.60 = 16,818,579.60 : x
  2. Step 2: Convert to fraction form
    26,431,756.80/39,642,905.60 = 16,818,579.60/x
  3. Step 3: Cross multiply
    26,431,756.80x = 39,642,905.60 × 16,818,579.60
  4. Step 4: Simplify right side
    26,431,756.80x = 666,737,363,408,885.88
  5. Step 5: Solve for x
    x = 666,737,363,408,885.88/26,431,756.80
  6. Step 6: Final answer
    x = 25,224,859.95

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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.