Home / 13,754,258.40-20,631,387.60-13,171,807.20

Finding the Fourth Proportional to 13,754,258.40, 20,631,387.60 and 13,171,807.20

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Solution

The fourth proportional to 13,754,258.40, 20,631,387.60 and 13,171,807.20 is: 19,757,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754,258.40 : 20,631,387.60 = 13,171,807.20 : x
  2. Step 2: Convert to fraction form
    13,754,258.40/20,631,387.60 = 13,171,807.20/x
  3. Step 3: Cross multiply
    13,754,258.40x = 20,631,387.60 × 13,171,807.20
  4. Step 4: Simplify right side
    13,754,258.40x = 271,752,659,735,670.72
  5. Step 5: Solve for x
    x = 271,752,659,735,670.72/13,754,258.40
  6. Step 6: Final answer
    x = 19,757,710.80

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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.