Home / 15,285,217.51-21,093,767.56-8,315,934.67

Finding the Fourth Proportional to 15,285,217.51, 21,093,767.56 and 8,315,934.67

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Solution

The fourth proportional to 15,285,217.51, 21,093,767.56 and 8,315,934.67 is: 11,476,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,217.51 : 21,093,767.56 = 8,315,934.67 : x
  2. Step 2: Convert to fraction form
    15,285,217.51/21,093,767.56 = 8,315,934.67/x
  3. Step 3: Cross multiply
    15,285,217.51x = 21,093,767.56 × 8,315,934.67
  4. Step 4: Simplify right side
    15,285,217.51x = 175,414,392,973,125.28
  5. Step 5: Solve for x
    x = 175,414,392,973,125.28/15,285,217.51
  6. Step 6: Final answer
    x = 11,476,080.92

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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.