Home / 20,461,199.63-28,236,458.12-11,293,844.81

Finding the Fourth Proportional to 20,461,199.63, 28,236,458.12 and 11,293,844.81

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Solution

The fourth proportional to 20,461,199.63, 28,236,458.12 and 11,293,844.81 is: 15,585,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461,199.63 : 28,236,458.12 = 11,293,844.81 : x
  2. Step 2: Convert to fraction form
    20,461,199.63/28,236,458.12 = 11,293,844.81/x
  3. Step 3: Cross multiply
    20,461,199.63x = 28,236,458.12 × 11,293,844.81
  4. Step 4: Simplify right side
    20,461,199.63x = 318,898,175,793,692.81
  5. Step 5: Solve for x
    x = 318,898,175,793,692.81/20,461,199.63
  6. Step 6: Final answer
    x = 15,585,507.28

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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.