Home / 20,126,198.40-27,767,071.80-13,160,953.32

Finding the Fourth Proportional to 20,126,198.40, 27,767,071.80 and 13,160,953.32

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Solution

The fourth proportional to 20,126,198.40, 27,767,071.80 and 13,160,953.32 is: 18,157,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126,198.40 : 27,767,071.80 = 13,160,953.32 : x
  2. Step 2: Convert to fraction form
    20,126,198.40/27,767,071.80 = 13,160,953.32/x
  3. Step 3: Cross multiply
    20,126,198.40x = 27,767,071.80 × 13,160,953.32
  4. Step 4: Simplify right side
    20,126,198.40x = 365,441,135,792,888.38
  5. Step 5: Solve for x
    x = 365,441,135,792,888.38/20,126,198.40
  6. Step 6: Final answer
    x = 18,157,484.51

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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.