Home / 28,256,944.78-42,323,620.52-20,034,663.58

Finding the Fourth Proportional to 28,256,944.78, 42,323,620.52 and 20,034,663.58

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Solution

The fourth proportional to 28,256,944.78, 42,323,620.52 and 20,034,663.58 is: 30,008,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,944.78 : 42,323,620.52 = 20,034,663.58 : x
  2. Step 2: Convert to fraction form
    28,256,944.78/42,323,620.52 = 20,034,663.58/x
  3. Step 3: Cross multiply
    28,256,944.78x = 42,323,620.52 × 20,034,663.58
  4. Step 4: Simplify right side
    28,256,944.78x = 847,939,498,605,784.62
  5. Step 5: Solve for x
    x = 847,939,498,605,784.62/28,256,944.78
  6. Step 6: Final answer
    x = 30,008,180.47

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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.