Home / 13,309,845.40-19,964,768.10-6,591,381.40

Finding the Fourth Proportional to 13,309,845.40, 19,964,768.10 and 6,591,381.40

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Solution

The fourth proportional to 13,309,845.40, 19,964,768.10 and 6,591,381.40 is: 9,887,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,845.40 : 19,964,768.10 = 6,591,381.40 : x
  2. Step 2: Convert to fraction form
    13,309,845.40/19,964,768.10 = 6,591,381.40/x
  3. Step 3: Cross multiply
    13,309,845.40x = 19,964,768.10 × 6,591,381.40
  4. Step 4: Simplify right side
    13,309,845.40x = 131,595,401,109,653.36
  5. Step 5: Solve for x
    x = 131,595,401,109,653.36/13,309,845.40
  6. Step 6: Final answer
    x = 9,887,072.10

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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.