Home / 27,421,396.05-37,842,494.79-15,031,480.64

Finding the Fourth Proportional to 27,421,396.05, 37,842,494.79 and 15,031,480.64

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Solution

The fourth proportional to 27,421,396.05, 37,842,494.79 and 15,031,480.64 is: 20,743,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421,396.05 : 37,842,494.79 = 15,031,480.64 : x
  2. Step 2: Convert to fraction form
    27,421,396.05/37,842,494.79 = 15,031,480.64/x
  3. Step 3: Cross multiply
    27,421,396.05x = 37,842,494.79 × 15,031,480.64
  4. Step 4: Simplify right side
    27,421,396.05x = 568,828,727,672,341.50
  5. Step 5: Solve for x
    x = 568,828,727,672,341.50/27,421,396.05
  6. Step 6: Final answer
    x = 20,743,974.03

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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.