Home / 14,969,254.56-20,657,451.08-8,690,364.56

Finding the Fourth Proportional to 14,969,254.56, 20,657,451.08 and 8,690,364.56

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Solution

The fourth proportional to 14,969,254.56, 20,657,451.08 and 8,690,364.56 is: 11,992,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,254.56 : 20,657,451.08 = 8,690,364.56 : x
  2. Step 2: Convert to fraction form
    14,969,254.56/20,657,451.08 = 8,690,364.56/x
  3. Step 3: Cross multiply
    14,969,254.56x = 20,657,451.08 × 8,690,364.56
  4. Step 4: Simplify right side
    14,969,254.56x = 179,520,780,765,565.72
  5. Step 5: Solve for x
    x = 179,520,780,765,565.72/14,969,254.56
  6. Step 6: Final answer
    x = 11,992,633.30

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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.