Home / 9,871,428.48-13,623,265.44-5,520,919.56

Finding the Fourth Proportional to 9,871,428.48, 13,623,265.44 and 5,520,919.56

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Solution

The fourth proportional to 9,871,428.48, 13,623,265.44 and 5,520,919.56 is: 7,619,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,428.48 : 13,623,265.44 = 5,520,919.56 : x
  2. Step 2: Convert to fraction form
    9,871,428.48/13,623,265.44 = 5,520,919.56/x
  3. Step 3: Cross multiply
    9,871,428.48x = 13,623,265.44 × 5,520,919.56
  4. Step 4: Simplify right side
    9,871,428.48x = 75,212,952,638,768
  5. Step 5: Solve for x
    x = 75,212,952,638,768/9,871,428.48
  6. Step 6: Final answer
    x = 7,619,257.21

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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.