Home / 20,461,206.51-28,236,467.43-11,293,851.69

Finding the Fourth Proportional to 20,461,206.51, 28,236,467.43 and 11,293,851.69

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Solution

The fourth proportional to 20,461,206.51, 28,236,467.43 and 11,293,851.69 is: 15,585,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461,206.51 : 28,236,467.43 = 11,293,851.69 : x
  2. Step 2: Convert to fraction form
    20,461,206.51/28,236,467.43 = 11,293,851.69/x
  3. Step 3: Cross multiply
    20,461,206.51x = 28,236,467.43 × 11,293,851.69
  4. Step 4: Simplify right side
    20,461,206.51x = 318,898,475,403,935.44
  5. Step 5: Solve for x
    x = 318,898,475,403,935.44/20,461,206.51
  6. Step 6: Final answer
    x = 15,585,516.68

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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.