Home / 27,719,784.36-38,253,556.89-15,329,237.40

Finding the Fourth Proportional to 27,719,784.36, 38,253,556.89 and 15,329,237.40

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Solution

The fourth proportional to 27,719,784.36, 38,253,556.89 and 15,329,237.40 is: 21,154,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719,784.36 : 38,253,556.89 = 15,329,237.40 : x
  2. Step 2: Convert to fraction form
    27,719,784.36/38,253,556.89 = 15,329,237.40/x
  3. Step 3: Cross multiply
    27,719,784.36x = 38,253,556.89 × 15,329,237.40
  4. Step 4: Simplify right side
    27,719,784.36x = 586,397,854,961,215.75
  5. Step 5: Solve for x
    x = 586,397,854,961,215.75/27,719,784.36
  6. Step 6: Final answer
    x = 21,154,488.34

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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.