Home / 30,559,495.44-42,172,125.48-16,809,505.68

Finding the Fourth Proportional to 30,559,495.44, 42,172,125.48 and 16,809,505.68

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Solution

The fourth proportional to 30,559,495.44, 42,172,125.48 and 16,809,505.68 is: 23,197,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,495.44 : 42,172,125.48 = 16,809,505.68 : x
  2. Step 2: Convert to fraction form
    30,559,495.44/42,172,125.48 = 16,809,505.68/x
  3. Step 3: Cross multiply
    30,559,495.44x = 42,172,125.48 × 16,809,505.68
  4. Step 4: Simplify right side
    30,559,495.44x = 708,892,582,793,732.62
  5. Step 5: Solve for x
    x = 708,892,582,793,732.62/30,559,495.44
  6. Step 6: Final answer
    x = 23,197,129.81

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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.