Home / 12,484,945.35-17,228,696.09-7,841,157.03

Finding the Fourth Proportional to 12,484,945.35, 17,228,696.09 and 7,841,157.03

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Solution

The fourth proportional to 12,484,945.35, 17,228,696.09 and 7,841,157.03 is: 10,820,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,945.35 : 17,228,696.09 = 7,841,157.03 : x
  2. Step 2: Convert to fraction form
    12,484,945.35/17,228,696.09 = 7,841,157.03/x
  3. Step 3: Cross multiply
    12,484,945.35x = 17,228,696.09 × 7,841,157.03
  4. Step 4: Simplify right side
    12,484,945.35x = 135,092,911,424,631.23
  5. Step 5: Solve for x
    x = 135,092,911,424,631.23/12,484,945.35
  6. Step 6: Final answer
    x = 10,820,464.78

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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.