Home / 20,954,758.51-31,452,408.96-15,124,954.69

Finding the Fourth Proportional to 20,954,758.51, 31,452,408.96 and 15,124,954.69

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Solution

The fourth proportional to 20,954,758.51, 31,452,408.96 and 15,124,954.69 is: 22,702,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,758.51 : 31,452,408.96 = 15,124,954.69 : x
  2. Step 2: Convert to fraction form
    20,954,758.51/31,452,408.96 = 15,124,954.69/x
  3. Step 3: Cross multiply
    20,954,758.51x = 31,452,408.96 × 15,124,954.69
  4. Step 4: Simplify right side
    20,954,758.51x = 475,716,260,411,350
  5. Step 5: Solve for x
    x = 475,716,260,411,350/20,954,758.51
  6. Step 6: Final answer
    x = 22,702,063.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.