Home / 19,875,771.21-27,428,399.28-11,173,982.52

Finding the Fourth Proportional to 19,875,771.21, 27,428,399.28 and 11,173,982.52

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Solution

The fourth proportional to 19,875,771.21, 27,428,399.28 and 11,173,982.52 is: 15,420,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875,771.21 : 27,428,399.28 = 11,173,982.52 : x
  2. Step 2: Convert to fraction form
    19,875,771.21/27,428,399.28 = 11,173,982.52/x
  3. Step 3: Cross multiply
    19,875,771.21x = 27,428,399.28 × 11,173,982.52
  4. Step 4: Simplify right side
    19,875,771.21x = 306,484,454,106,300.56
  5. Step 5: Solve for x
    x = 306,484,454,106,300.56/19,875,771.21
  6. Step 6: Final answer
    x = 15,420,003.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.