Home / 20,200,913.53-27,877,345.80-11,380,470.64

Finding the Fourth Proportional to 20,200,913.53, 27,877,345.80 and 11,380,470.64

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Solution

The fourth proportional to 20,200,913.53, 27,877,345.80 and 11,380,470.64 is: 15,705,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,913.53 : 27,877,345.80 = 11,380,470.64 : x
  2. Step 2: Convert to fraction form
    20,200,913.53/27,877,345.80 = 11,380,470.64/x
  3. Step 3: Cross multiply
    20,200,913.53x = 27,877,345.80 × 11,380,470.64
  4. Step 4: Simplify right side
    20,200,913.53x = 317,257,315,333,671.38
  5. Step 5: Solve for x
    x = 317,257,315,333,671.38/20,200,913.53
  6. Step 6: Final answer
    x = 15,705,097.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.