Home / 18,388,695.77-25,376,400.09-10,658,222.12

Finding the Fourth Proportional to 18,388,695.77, 25,376,400.09 and 10,658,222.12

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Solution

The fourth proportional to 18,388,695.77, 25,376,400.09 and 10,658,222.12 is: 14,708,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,695.77 : 25,376,400.09 = 10,658,222.12 : x
  2. Step 2: Convert to fraction form
    18,388,695.77/25,376,400.09 = 10,658,222.12/x
  3. Step 3: Cross multiply
    18,388,695.77x = 25,376,400.09 × 10,658,222.12
  4. Step 4: Simplify right side
    18,388,695.77x = 270,467,308,828,649
  5. Step 5: Solve for x
    x = 270,467,308,828,649/18,388,695.77
  6. Step 6: Final answer
    x = 14,708,346.49

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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.