Home / 12,840,423.60-19,263,486.60-4,320,519.60

Finding the Fourth Proportional to 12,840,423.60, 19,263,486.60 and 4,320,519.60

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Solution

The fourth proportional to 12,840,423.60, 19,263,486.60 and 4,320,519.60 is: 6,481,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,423.60 : 19,263,486.60 = 4,320,519.60 : x
  2. Step 2: Convert to fraction form
    12,840,423.60/19,263,486.60 = 4,320,519.60/x
  3. Step 3: Cross multiply
    12,840,423.60x = 19,263,486.60 × 4,320,519.60
  4. Step 4: Simplify right side
    12,840,423.60x = 83,228,271,419,637.36
  5. Step 5: Solve for x
    x = 83,228,271,419,637.36/12,840,423.60
  6. Step 6: Final answer
    x = 6,481,738.77

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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.