Home / 26,579,936.80-39,869,905.20-13,143,008.80

Finding the Fourth Proportional to 26,579,936.80, 39,869,905.20 and 13,143,008.80

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Solution

The fourth proportional to 26,579,936.80, 39,869,905.20 and 13,143,008.80 is: 19,714,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579,936.80 : 39,869,905.20 = 13,143,008.80 : x
  2. Step 2: Convert to fraction form
    26,579,936.80/39,869,905.20 = 13,143,008.80/x
  3. Step 3: Cross multiply
    26,579,936.80x = 39,869,905.20 × 13,143,008.80
  4. Step 4: Simplify right side
    26,579,936.80x = 524,010,514,898,765.81
  5. Step 5: Solve for x
    x = 524,010,514,898,765.81/26,579,936.80
  6. Step 6: Final answer
    x = 19,714,513.20

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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.