Home / 20,954,760.51-31,452,411.96-15,124,956.69

Finding the Fourth Proportional to 20,954,760.51, 31,452,411.96 and 15,124,956.69

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Solution

The fourth proportional to 20,954,760.51, 31,452,411.96 and 15,124,956.69 is: 22,702,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,760.51 : 31,452,411.96 = 15,124,956.69 : x
  2. Step 2: Convert to fraction form
    20,954,760.51/31,452,411.96 = 15,124,956.69/x
  3. Step 3: Cross multiply
    20,954,760.51x = 31,452,411.96 × 15,124,956.69
  4. Step 4: Simplify right side
    20,954,760.51x = 475,716,368,691,038
  5. Step 5: Solve for x
    x = 475,716,368,691,038/20,954,760.51
  6. Step 6: Final answer
    x = 22,702,066.60

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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.