Home / 20,596,556.60-28,424,576.71-11,429,199.35

Finding the Fourth Proportional to 20,596,556.60, 28,424,576.71 and 11,429,199.35

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Solution

The fourth proportional to 20,596,556.60, 28,424,576.71 and 11,429,199.35 is: 15,773,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596,556.60 : 28,424,576.71 = 11,429,199.35 : x
  2. Step 2: Convert to fraction form
    20,596,556.60/28,424,576.71 = 11,429,199.35/x
  3. Step 3: Cross multiply
    20,596,556.60x = 28,424,576.71 × 11,429,199.35
  4. Step 4: Simplify right side
    20,596,556.60x = 324,870,153,732,723.75
  5. Step 5: Solve for x
    x = 324,870,153,732,723.75/20,596,556.60
  6. Step 6: Final answer
    x = 15,773,032.36

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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.