Home / 13,250,507.60-18,285,590.49-7,449,315.14

Finding the Fourth Proportional to 13,250,507.60, 18,285,590.49 and 7,449,315.14

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Solution

The fourth proportional to 13,250,507.60, 18,285,590.49 and 7,449,315.14 is: 10,279,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,507.60 : 18,285,590.49 = 7,449,315.14 : x
  2. Step 2: Convert to fraction form
    13,250,507.60/18,285,590.49 = 7,449,315.14/x
  3. Step 3: Cross multiply
    13,250,507.60x = 18,285,590.49 × 7,449,315.14
  4. Step 4: Simplify right side
    13,250,507.60x = 136,215,126,080,997
  5. Step 5: Solve for x
    x = 136,215,126,080,997/13,250,507.60
  6. Step 6: Final answer
    x = 10,279,993.05

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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.