Home / 13,513,749.09-20,274,078.93-3,929,127.62

Finding the Fourth Proportional to 13,513,749.09, 20,274,078.93 and 3,929,127.62

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Solution

The fourth proportional to 13,513,749.09, 20,274,078.93 and 3,929,127.62 is: 5,894,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,749.09 : 20,274,078.93 = 3,929,127.62 : x
  2. Step 2: Convert to fraction form
    13,513,749.09/20,274,078.93 = 3,929,127.62/x
  3. Step 3: Cross multiply
    13,513,749.09x = 20,274,078.93 × 3,929,127.62
  4. Step 4: Simplify right side
    13,513,749.09x = 79,659,443,559,342.47
  5. Step 5: Solve for x
    x = 79,659,443,559,342.47/13,513,749.09
  6. Step 6: Final answer
    x = 5,894,696.06

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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.