Home / 12,258,624.07-18,387,935.97-5,780,191.42

Finding the Fourth Proportional to 12,258,624.07, 18,387,935.97 and 5,780,191.42

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Solution

The fourth proportional to 12,258,624.07, 18,387,935.97 and 5,780,191.42 is: 8,670,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,624.07 : 18,387,935.97 = 5,780,191.42 : x
  2. Step 2: Convert to fraction form
    12,258,624.07/18,387,935.97 = 5,780,191.42/x
  3. Step 3: Cross multiply
    12,258,624.07x = 18,387,935.97 × 5,780,191.42
  4. Step 4: Simplify right side
    12,258,624.07x = 106,285,789,604,462.73
  5. Step 5: Solve for x
    x = 106,285,789,604,462.73/12,258,624.07
  6. Step 6: Final answer
    x = 8,670,287.06

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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.