Home / 30,892,245.21-42,631,298.37-17,143,421.85

Finding the Fourth Proportional to 30,892,245.21, 42,631,298.37 and 17,143,421.85

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Solution

The fourth proportional to 30,892,245.21, 42,631,298.37 and 17,143,421.85 is: 23,657,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892,245.21 : 42,631,298.37 = 17,143,421.85 : x
  2. Step 2: Convert to fraction form
    30,892,245.21/42,631,298.37 = 17,143,421.85/x
  3. Step 3: Cross multiply
    30,892,245.21x = 42,631,298.37 × 17,143,421.85
  4. Step 4: Simplify right side
    30,892,245.21x = 730,846,331,970,127.38
  5. Step 5: Solve for x
    x = 730,846,331,970,127.38/30,892,245.21
  6. Step 6: Final answer
    x = 23,657,922.14

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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.