Home / 28,528,136.64-42,793,932.96-11,488,812.48

Finding the Fourth Proportional to 28,528,136.64, 42,793,932.96 and 11,488,812.48

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Solution

The fourth proportional to 28,528,136.64, 42,793,932.96 and 11,488,812.48 is: 17,233,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,528,136.64 : 42,793,932.96 = 11,488,812.48 : x
  2. Step 2: Convert to fraction form
    28,528,136.64/42,793,932.96 = 11,488,812.48/x
  3. Step 3: Cross multiply
    28,528,136.64x = 42,793,932.96 × 11,488,812.48
  4. Step 4: Simplify right side
    28,528,136.64x = 491,651,471,059,131.38
  5. Step 5: Solve for x
    x = 491,651,471,059,131.38/28,528,136.64
  6. Step 6: Final answer
    x = 17,233,914.62

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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.