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Finding the Fourth Proportional to 17,605,509.51, 26,407,949.03 and 7,228,475.29

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Solution

The fourth proportional to 17,605,509.51, 26,407,949.03 and 7,228,475.29 is: 10,842,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605,509.51 : 26,407,949.03 = 7,228,475.29 : x
  2. Step 2: Convert to fraction form
    17,605,509.51/26,407,949.03 = 7,228,475.29/x
  3. Step 3: Cross multiply
    17,605,509.51x = 26,407,949.03 × 7,228,475.29
  4. Step 4: Simplify right side
    17,605,509.51x = 190,889,207,022,934.47
  5. Step 5: Solve for x
    x = 190,889,207,022,934.47/17,605,509.51
  6. Step 6: Final answer
    x = 10,842,583.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.