Home / 22,919,916-31,633,977.15-13,136,917.31

Finding the Fourth Proportional to 22,919,916, 31,633,977.15 and 13,136,917.31

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Solution

The fourth proportional to 22,919,916, 31,633,977.15 and 13,136,917.31 is: 18,131,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919,916 : 31,633,977.15 = 13,136,917.31 : x
  2. Step 2: Convert to fraction form
    22,919,916/31,633,977.15 = 13,136,917.31/x
  3. Step 3: Cross multiply
    22,919,916x = 31,633,977.15 × 13,136,917.31
  4. Step 4: Simplify right side
    22,919,916x = 415,572,941,847,809.56
  5. Step 5: Solve for x
    x = 415,572,941,847,809.56/22,919,916
  6. Step 6: Final answer
    x = 18,131,521.16

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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.