Home / 20,664,686.64-28,518,630.48-11,497,348.56

Finding the Fourth Proportional to 20,664,686.64, 28,518,630.48 and 11,497,348.56

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Solution

The fourth proportional to 20,664,686.64, 28,518,630.48 and 11,497,348.56 is: 15,867,099.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,664,686.64 : 28,518,630.48 = 11,497,348.56 : x
  2. Step 2: Convert to fraction form
    20,664,686.64/28,518,630.48 = 11,497,348.56/x
  3. Step 3: Cross multiply
    20,664,686.64x = 28,518,630.48 × 11,497,348.56
  4. Step 4: Simplify right side
    20,664,686.64x = 327,888,635,082,400.12
  5. Step 5: Solve for x
    x = 327,888,635,082,400.12/20,664,686.64
  6. Step 6: Final answer
    x = 15,867,099.31

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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.