Home / 27,486,621-37,931,992.72-15,097,859.40

Finding the Fourth Proportional to 27,486,621, 37,931,992.72 and 15,097,859.40

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Solution

The fourth proportional to 27,486,621, 37,931,992.72 and 15,097,859.40 is: 20,835,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486,621 : 37,931,992.72 = 15,097,859.40 : x
  2. Step 2: Convert to fraction form
    27,486,621/37,931,992.72 = 15,097,859.40/x
  3. Step 3: Cross multiply
    27,486,621x = 37,931,992.72 × 15,097,859.40
  4. Step 4: Simplify right side
    27,486,621x = 572,691,892,848,383.62
  5. Step 5: Solve for x
    x = 572,691,892,848,383.62/27,486,621
  6. Step 6: Final answer
    x = 20,835,296.30

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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.