Home / 36,678,700.80-55,018,051.20-19,672,588.80

Finding the Fourth Proportional to 36,678,700.80, 55,018,051.20 and 19,672,588.80

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Solution

The fourth proportional to 36,678,700.80, 55,018,051.20 and 19,672,588.80 is: 29,508,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678,700.80 : 55,018,051.20 = 19,672,588.80 : x
  2. Step 2: Convert to fraction form
    36,678,700.80/55,018,051.20 = 19,672,588.80/x
  3. Step 3: Cross multiply
    36,678,700.80x = 55,018,051.20 × 19,672,588.80
  4. Step 4: Simplify right side
    36,678,700.80x = 1,082,347,497,834,946.62
  5. Step 5: Solve for x
    x = 1,082,347,497,834,946.62/36,678,700.80
  6. Step 6: Final answer
    x = 29,508,883.20

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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.