Home / 12,697,846.08-17,520,980.16-7,801,493.44

Finding the Fourth Proportional to 12,697,846.08, 17,520,980.16 and 7,801,493.44

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Solution

The fourth proportional to 12,697,846.08, 17,520,980.16 and 7,801,493.44 is: 10,764,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,846.08 : 17,520,980.16 = 7,801,493.44 : x
  2. Step 2: Convert to fraction form
    12,697,846.08/17,520,980.16 = 7,801,493.44/x
  3. Step 3: Cross multiply
    12,697,846.08x = 17,520,980.16 × 7,801,493.44
  4. Step 4: Simplify right side
    12,697,846.08x = 136,689,811,780,610.16
  5. Step 5: Solve for x
    x = 136,689,811,780,610.16/12,697,846.08
  6. Step 6: Final answer
    x = 10,764,803.02

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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.