Home / 12,775,929-17,630,621.10-7,269,286.56

Finding the Fourth Proportional to 12,775,929, 17,630,621.10 and 7,269,286.56

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Solution

The fourth proportional to 12,775,929, 17,630,621.10 and 7,269,286.56 is: 10,031,523.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,929 : 17,630,621.10 = 7,269,286.56 : x
  2. Step 2: Convert to fraction form
    12,775,929/17,630,621.10 = 7,269,286.56/x
  3. Step 3: Cross multiply
    12,775,929x = 17,630,621.10 × 7,269,286.56
  4. Step 4: Simplify right side
    12,775,929x = 128,162,037,006,682.42
  5. Step 5: Solve for x
    x = 128,162,037,006,682.42/12,775,929
  6. Step 6: Final answer
    x = 10,031,523.89

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1.5x scale

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.