Home / 14,952,120-20,633,933.28-8,076,601.92

Finding the Fourth Proportional to 14,952,120, 20,633,933.28 and 8,076,601.92

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Solution

The fourth proportional to 14,952,120, 20,633,933.28 and 8,076,601.92 is: 11,145,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952,120 : 20,633,933.28 = 8,076,601.92 : x
  2. Step 2: Convert to fraction form
    14,952,120/20,633,933.28 = 8,076,601.92/x
  3. Step 3: Cross multiply
    14,952,120x = 20,633,933.28 × 8,076,601.92
  4. Step 4: Simplify right side
    14,952,120x = 166,652,065,146,399.91
  5. Step 5: Solve for x
    x = 166,652,065,146,399.91/14,952,120
  6. Step 6: Final answer
    x = 11,145,714.80

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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.