Home / 18,456,400.80-27,684,601.20-10,898,128.80

Finding the Fourth Proportional to 18,456,400.80, 27,684,601.20 and 10,898,128.80

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Solution

The fourth proportional to 18,456,400.80, 27,684,601.20 and 10,898,128.80 is: 16,347,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,400.80 : 27,684,601.20 = 10,898,128.80 : x
  2. Step 2: Convert to fraction form
    18,456,400.80/27,684,601.20 = 10,898,128.80/x
  3. Step 3: Cross multiply
    18,456,400.80x = 27,684,601.20 × 10,898,128.80
  4. Step 4: Simplify right side
    18,456,400.80x = 301,710,349,654,234.56
  5. Step 5: Solve for x
    x = 301,710,349,654,234.56/18,456,400.80
  6. Step 6: Final answer
    x = 16,347,193.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.