Home / 13,685,018.68-18,885,918.54-7,573,449.16

Finding the Fourth Proportional to 13,685,018.68, 18,885,918.54 and 7,573,449.16

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Solution

The fourth proportional to 13,685,018.68, 18,885,918.54 and 7,573,449.16 is: 10,451,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685,018.68 : 18,885,918.54 = 7,573,449.16 : x
  2. Step 2: Convert to fraction form
    13,685,018.68/18,885,918.54 = 7,573,449.16/x
  3. Step 3: Cross multiply
    13,685,018.68x = 18,885,918.54 × 7,573,449.16
  4. Step 4: Simplify right side
    13,685,018.68x = 143,031,543,902,591.44
  5. Step 5: Solve for x
    x = 143,031,543,902,591.44/13,685,018.68
  6. Step 6: Final answer
    x = 10,451,687.88

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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.