Home / 12,327,129.12-17,011,345.68-6,894,621.12

Finding the Fourth Proportional to 12,327,129.12, 17,011,345.68 and 6,894,621.12

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Solution

The fourth proportional to 12,327,129.12, 17,011,345.68 and 6,894,621.12 is: 9,514,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327,129.12 : 17,011,345.68 = 6,894,621.12 : x
  2. Step 2: Convert to fraction form
    12,327,129.12/17,011,345.68 = 6,894,621.12/x
  3. Step 3: Cross multiply
    12,327,129.12x = 17,011,345.68 × 6,894,621.12
  4. Step 4: Simplify right side
    12,327,129.12x = 117,286,783,204,948.77
  5. Step 5: Solve for x
    x = 117,286,783,204,948.77/12,327,129.12
  6. Step 6: Final answer
    x = 9,514,525.41

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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.