Home / 20,373,230-28,119,051.24-11,677,231.10

Finding the Fourth Proportional to 20,373,230, 28,119,051.24 and 11,677,231.10

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Solution

The fourth proportional to 20,373,230, 28,119,051.24 and 11,677,231.10 is: 16,116,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,230 : 28,119,051.24 = 11,677,231.10 : x
  2. Step 2: Convert to fraction form
    20,373,230/28,119,051.24 = 11,677,231.10/x
  3. Step 3: Cross multiply
    20,373,230x = 28,119,051.24 × 11,677,231.10
  4. Step 4: Simplify right side
    20,373,230x = 328,352,659,642,221.56
  5. Step 5: Solve for x
    x = 328,352,659,642,221.56/20,373,230
  6. Step 6: Final answer
    x = 16,116,868.05

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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.