Home / 13,560,003.25-18,712,939.75-7,365,172.66

Finding the Fourth Proportional to 13,560,003.25, 18,712,939.75 and 7,365,172.66

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Solution

The fourth proportional to 13,560,003.25, 18,712,939.75 and 7,365,172.66 is: 10,164,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,003.25 : 18,712,939.75 = 7,365,172.66 : x
  2. Step 2: Convert to fraction form
    13,560,003.25/18,712,939.75 = 7,365,172.66/x
  3. Step 3: Cross multiply
    13,560,003.25x = 18,712,939.75 × 7,365,172.66
  4. Step 4: Simplify right side
    13,560,003.25x = 137,824,032,169,731.94
  5. Step 5: Solve for x
    x = 137,824,032,169,731.94/13,560,003.25
  6. Step 6: Final answer
    x = 10,164,011.74

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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.