Home / 20,306,751.72-28,023,056.10-11,604,824.52

Finding the Fourth Proportional to 20,306,751.72, 28,023,056.10 and 11,604,824.52

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Solution

The fourth proportional to 20,306,751.72, 28,023,056.10 and 11,604,824.52 is: 16,014,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,306,751.72 : 28,023,056.10 = 11,604,824.52 : x
  2. Step 2: Convert to fraction form
    20,306,751.72/28,023,056.10 = 11,604,824.52/x
  3. Step 3: Cross multiply
    20,306,751.72x = 28,023,056.10 × 11,604,824.52
  4. Step 4: Simplify right side
    20,306,751.72x = 325,202,648,554,615.56
  5. Step 5: Solve for x
    x = 325,202,648,554,615.56/20,306,751.72
  6. Step 6: Final answer
    x = 16,014,508.53

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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.