Home / 27,874,476.81-38,467,868.86-19,072,389.74

Finding the Fourth Proportional to 27,874,476.81, 38,467,868.86 and 19,072,389.74

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Solution

The fourth proportional to 27,874,476.81, 38,467,868.86 and 19,072,389.74 is: 26,320,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874,476.81 : 38,467,868.86 = 19,072,389.74 : x
  2. Step 2: Convert to fraction form
    27,874,476.81/38,467,868.86 = 19,072,389.74/x
  3. Step 3: Cross multiply
    27,874,476.81x = 38,467,868.86 × 19,072,389.74
  4. Step 4: Simplify right side
    27,874,476.81x = 733,674,187,196,630.62
  5. Step 5: Solve for x
    x = 733,674,187,196,630.62/27,874,476.81
  6. Step 6: Final answer
    x = 26,320,644.23

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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.