Home / 31,443,590.79-43,394,137.40-19,054,767.51

Finding the Fourth Proportional to 31,443,590.79, 43,394,137.40 and 19,054,767.51

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Solution

The fourth proportional to 31,443,590.79, 43,394,137.40 and 19,054,767.51 is: 26,296,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443,590.79 : 43,394,137.40 = 19,054,767.51 : x
  2. Step 2: Convert to fraction form
    31,443,590.79/43,394,137.40 = 19,054,767.51/x
  3. Step 3: Cross multiply
    31,443,590.79x = 43,394,137.40 × 19,054,767.51
  4. Step 4: Simplify right side
    31,443,590.79x = 826,865,199,224,846.88
  5. Step 5: Solve for x
    x = 826,865,199,224,846.88/31,443,590.79
  6. Step 6: Final answer
    x = 26,296,780.31

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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.