Home / 13,748,365.44-20,628,380.16-7,356,960

Finding the Fourth Proportional to 13,748,365.44, 20,628,380.16 and 7,356,960

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Solution

The fourth proportional to 13,748,365.44, 20,628,380.16 and 7,356,960 is: 11,038,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748,365.44 : 20,628,380.16 = 7,356,960 : x
  2. Step 2: Convert to fraction form
    13,748,365.44/20,628,380.16 = 7,356,960/x
  3. Step 3: Cross multiply
    13,748,365.44x = 20,628,380.16 × 7,356,960
  4. Step 4: Simplify right side
    13,748,365.44x = 151,762,167,701,913.59
  5. Step 5: Solve for x
    x = 151,762,167,701,913.59/13,748,365.44
  6. Step 6: Final answer
    x = 11,038,560.79

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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.