Home / 20,954,757.51-31,452,407.46-15,124,953.69

Finding the Fourth Proportional to 20,954,757.51, 31,452,407.46 and 15,124,953.69

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Solution

The fourth proportional to 20,954,757.51, 31,452,407.46 and 15,124,953.69 is: 22,702,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,757.51 : 31,452,407.46 = 15,124,953.69 : x
  2. Step 2: Convert to fraction form
    20,954,757.51/31,452,407.46 = 15,124,953.69/x
  3. Step 3: Cross multiply
    20,954,757.51x = 31,452,407.46 × 15,124,953.69
  4. Step 4: Simplify right side
    20,954,757.51x = 475,716,206,271,510.50
  5. Step 5: Solve for x
    x = 475,716,206,271,510.50/20,954,757.51
  6. Step 6: Final answer
    x = 22,702,062.10

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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.