Home / 13,942,620.45-20,913,930.68-4,357,983.60

Finding the Fourth Proportional to 13,942,620.45, 20,913,930.68 and 4,357,983.60

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Solution

The fourth proportional to 13,942,620.45, 20,913,930.68 and 4,357,983.60 is: 6,536,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,620.45 : 20,913,930.68 = 4,357,983.60 : x
  2. Step 2: Convert to fraction form
    13,942,620.45/20,913,930.68 = 4,357,983.60/x
  3. Step 3: Cross multiply
    13,942,620.45x = 20,913,930.68 × 4,357,983.60
  4. Step 4: Simplify right side
    13,942,620.45x = 91,142,566,893,186.92
  5. Step 5: Solve for x
    x = 91,142,566,893,186.92/13,942,620.45
  6. Step 6: Final answer
    x = 6,536,975.40

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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.