Home / 13,513,320.23-20,271,086.60-3,928,687.02

Finding the Fourth Proportional to 13,513,320.23, 20,271,086.60 and 3,928,687.02

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Solution

The fourth proportional to 13,513,320.23, 20,271,086.60 and 3,928,687.02 is: 5,893,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,320.23 : 20,271,086.60 = 3,928,687.02 : x
  2. Step 2: Convert to fraction form
    13,513,320.23/20,271,086.60 = 3,928,687.02/x
  3. Step 3: Cross multiply
    13,513,320.23x = 20,271,086.60 × 3,928,687.02
  4. Step 4: Simplify right side
    13,513,320.23x = 79,638,754,787,072.50
  5. Step 5: Solve for x
    x = 79,638,754,787,072.50/13,513,320.23
  6. Step 6: Final answer
    x = 5,893,352.15

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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.