Home / 27,982,373.81-38,598,013.99-19,265,412.80

Finding the Fourth Proportional to 27,982,373.81, 38,598,013.99 and 19,265,412.80

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Solution

The fourth proportional to 27,982,373.81, 38,598,013.99 and 19,265,412.80 is: 26,574,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982,373.81 : 38,598,013.99 = 19,265,412.80 : x
  2. Step 2: Convert to fraction form
    27,982,373.81/38,598,013.99 = 19,265,412.80/x
  3. Step 3: Cross multiply
    27,982,373.81x = 38,598,013.99 × 19,265,412.80
  4. Step 4: Simplify right side
    27,982,373.81x = 743,606,672,898,101.88
  5. Step 5: Solve for x
    x = 743,606,672,898,101.88/27,982,373.81
  6. Step 6: Final answer
    x = 26,574,109.76

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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.