Home / 20,666,660.34-28,519,466.36-11,247,050.94

Finding the Fourth Proportional to 20,666,660.34, 28,519,466.36 and 11,247,050.94

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Solution

The fourth proportional to 20,666,660.34, 28,519,466.36 and 11,247,050.94 is: 15,520,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,666,660.34 : 28,519,466.36 = 11,247,050.94 : x
  2. Step 2: Convert to fraction form
    20,666,660.34/28,519,466.36 = 11,247,050.94/x
  3. Step 3: Cross multiply
    20,666,660.34x = 28,519,466.36 × 11,247,050.94
  4. Step 4: Simplify right side
    20,666,660.34x = 320,759,890,932,536.38
  5. Step 5: Solve for x
    x = 320,759,890,932,536.38/20,666,660.34
  6. Step 6: Final answer
    x = 15,520,644.64

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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.