Home / 28,636,090.26-39,517,655.11-15,583,442.61

Finding the Fourth Proportional to 28,636,090.26, 39,517,655.11 and 15,583,442.61

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Solution

The fourth proportional to 28,636,090.26, 39,517,655.11 and 15,583,442.61 is: 21,505,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636,090.26 : 39,517,655.11 = 15,583,442.61 : x
  2. Step 2: Convert to fraction form
    28,636,090.26/39,517,655.11 = 15,583,442.61/x
  3. Step 3: Cross multiply
    28,636,090.26x = 39,517,655.11 × 15,583,442.61
  4. Step 4: Simplify right side
    28,636,090.26x = 615,821,110,488,458.25
  5. Step 5: Solve for x
    x = 615,821,110,488,458.25/28,636,090.26
  6. Step 6: Final answer
    x = 21,505,069.47

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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.