Home / 13,158,477-18,153,137.84-8,808,964.56

Finding the Fourth Proportional to 13,158,477, 18,153,137.84 and 8,808,964.56

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Solution

The fourth proportional to 13,158,477, 18,153,137.84 and 8,808,964.56 is: 12,152,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158,477 : 18,153,137.84 = 8,808,964.56 : x
  2. Step 2: Convert to fraction form
    13,158,477/18,153,137.84 = 8,808,964.56/x
  3. Step 3: Cross multiply
    13,158,477x = 18,153,137.84 × 8,808,964.56
  4. Step 4: Simplify right side
    13,158,477x = 159,910,347,885,354.97
  5. Step 5: Solve for x
    x = 159,910,347,885,354.97/13,158,477
  6. Step 6: Final answer
    x = 12,152,648.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.