Home / 31,525,623.98-43,499,973.20-18,291,767.06

Finding the Fourth Proportional to 31,525,623.98, 43,499,973.20 and 18,291,767.06

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Solution

The fourth proportional to 31,525,623.98, 43,499,973.20 and 18,291,767.06 is: 25,239,512.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525,623.98 : 43,499,973.20 = 18,291,767.06 : x
  2. Step 2: Convert to fraction form
    31,525,623.98/43,499,973.20 = 18,291,767.06/x
  3. Step 3: Cross multiply
    31,525,623.98x = 43,499,973.20 × 18,291,767.06
  4. Step 4: Simplify right side
    31,525,623.98x = 795,691,376,890,642.75
  5. Step 5: Solve for x
    x = 795,691,376,890,642.75/31,525,623.98
  6. Step 6: Final answer
    x = 25,239,512.39

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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.