Home / 28,523,992.80-42,775,265.61-10,323,691.32

Finding the Fourth Proportional to 28,523,992.80, 42,775,265.61 and 10,323,691.32

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Solution

The fourth proportional to 28,523,992.80, 42,775,265.61 and 10,323,691.32 is: 15,481,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523,992.80 : 42,775,265.61 = 10,323,691.32 : x
  2. Step 2: Convert to fraction form
    28,523,992.80/42,775,265.61 = 10,323,691.32/x
  3. Step 3: Cross multiply
    28,523,992.80x = 42,775,265.61 × 10,323,691.32
  4. Step 4: Simplify right side
    28,523,992.80x = 441,598,638,288,651.50
  5. Step 5: Solve for x
    x = 441,598,638,288,651.50/28,523,992.80
  6. Step 6: Final answer
    x = 15,481,655.79

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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.