Home / 13,192,314.64-19,810,939.73-8,589,136.48

Finding the Fourth Proportional to 13,192,314.64, 19,810,939.73 and 8,589,136.48

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Solution

The fourth proportional to 13,192,314.64, 19,810,939.73 and 8,589,136.48 is: 12,898,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,314.64 : 19,810,939.73 = 8,589,136.48 : x
  2. Step 2: Convert to fraction form
    13,192,314.64/19,810,939.73 = 8,589,136.48/x
  3. Step 3: Cross multiply
    13,192,314.64x = 19,810,939.73 × 8,589,136.48
  4. Step 4: Simplify right side
    13,192,314.64x = 170,158,865,138,024.38
  5. Step 5: Solve for x
    x = 170,158,865,138,024.38/13,192,314.64
  6. Step 6: Final answer
    x = 12,898,332.84

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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.