Home / 13,747,802.38-20,621,700.50-3,512,681.34

Finding the Fourth Proportional to 13,747,802.38, 20,621,700.50 and 3,512,681.34

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Solution

The fourth proportional to 13,747,802.38, 20,621,700.50 and 3,512,681.34 is: 5,269,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,802.38 : 20,621,700.50 = 3,512,681.34 : x
  2. Step 2: Convert to fraction form
    13,747,802.38/20,621,700.50 = 3,512,681.34/x
  3. Step 3: Cross multiply
    13,747,802.38x = 20,621,700.50 × 3,512,681.34
  4. Step 4: Simplify right side
    13,747,802.38x = 72,437,462,450,523.89
  5. Step 5: Solve for x
    x = 72,437,462,450,523.89/13,747,802.38
  6. Step 6: Final answer
    x = 5,269,021.22

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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.