Home / 12,857,678.48-19,286,517.72-6,105,622.16

Finding the Fourth Proportional to 12,857,678.48, 19,286,517.72 and 6,105,622.16

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Solution

The fourth proportional to 12,857,678.48, 19,286,517.72 and 6,105,622.16 is: 9,158,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,678.48 : 19,286,517.72 = 6,105,622.16 : x
  2. Step 2: Convert to fraction form
    12,857,678.48/19,286,517.72 = 6,105,622.16/x
  3. Step 3: Cross multiply
    12,857,678.48x = 19,286,517.72 × 6,105,622.16
  4. Step 4: Simplify right side
    12,857,678.48x = 117,756,189,980,464.67
  5. Step 5: Solve for x
    x = 117,756,189,980,464.67/12,857,678.48
  6. Step 6: Final answer
    x = 9,158,433.24

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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.