Home / 13,554,996.48-18,701,275.73-8,663,040.54

Finding the Fourth Proportional to 13,554,996.48, 18,701,275.73 and 8,663,040.54

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Solution

The fourth proportional to 13,554,996.48, 18,701,275.73 and 8,663,040.54 is: 11,952,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,996.48 : 18,701,275.73 = 8,663,040.54 : x
  2. Step 2: Convert to fraction form
    13,554,996.48/18,701,275.73 = 8,663,040.54/x
  3. Step 3: Cross multiply
    13,554,996.48x = 18,701,275.73 × 8,663,040.54
  4. Step 4: Simplify right side
    13,554,996.48x = 162,009,909,755,392.88
  5. Step 5: Solve for x
    x = 162,009,909,755,392.88/13,554,996.48
  6. Step 6: Final answer
    x = 11,952,043.66

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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.