Home / 30,559,412.44-42,172,010.94-16,809,422.68

Finding the Fourth Proportional to 30,559,412.44, 42,172,010.94 and 16,809,422.68

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Solution

The fourth proportional to 30,559,412.44, 42,172,010.94 and 16,809,422.68 is: 23,197,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,412.44 : 42,172,010.94 = 16,809,422.68 : x
  2. Step 2: Convert to fraction form
    30,559,412.44/42,172,010.94 = 16,809,422.68/x
  3. Step 3: Cross multiply
    30,559,412.44x = 42,172,010.94 × 16,809,422.68
  4. Step 4: Simplify right side
    30,559,412.44x = 708,887,157,156,044.12
  5. Step 5: Solve for x
    x = 708,887,157,156,044.12/30,559,412.44
  6. Step 6: Final answer
    x = 23,197,015.27

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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.