Home / 15,913,479.69-23,870,386.26-12,738,786.75

Finding the Fourth Proportional to 15,913,479.69, 23,870,386.26 and 12,738,786.75

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Solution

The fourth proportional to 15,913,479.69, 23,870,386.26 and 12,738,786.75 is: 19,108,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913,479.69 : 23,870,386.26 = 12,738,786.75 : x
  2. Step 2: Convert to fraction form
    15,913,479.69/23,870,386.26 = 12,738,786.75/x
  3. Step 3: Cross multiply
    15,913,479.69x = 23,870,386.26 × 12,738,786.75
  4. Step 4: Simplify right side
    15,913,479.69x = 304,079,760,206,270.06
  5. Step 5: Solve for x
    x = 304,079,760,206,270.06/15,913,479.69
  6. Step 6: Final answer
    x = 19,108,313.59

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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.