Home / 13,998,425.20-20,997,637.80-11,606,940.70

Finding the Fourth Proportional to 13,998,425.20, 20,997,637.80 and 11,606,940.70

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Solution

The fourth proportional to 13,998,425.20, 20,997,637.80 and 11,606,940.70 is: 17,410,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,425.20 : 20,997,637.80 = 11,606,940.70 : x
  2. Step 2: Convert to fraction form
    13,998,425.20/20,997,637.80 = 11,606,940.70/x
  3. Step 3: Cross multiply
    13,998,425.20x = 20,997,637.80 × 11,606,940.70
  4. Step 4: Simplify right side
    13,998,425.20x = 243,718,336,784,678.44
  5. Step 5: Solve for x
    x = 243,718,336,784,678.44/13,998,425.20
  6. Step 6: Final answer
    x = 17,410,411.05

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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.