Home / 11,476,977.60-17,178,141.60-8,938,891.20

Finding the Fourth Proportional to 11,476,977.60, 17,178,141.60 and 8,938,891.20

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Solution

The fourth proportional to 11,476,977.60, 17,178,141.60 and 8,938,891.20 is: 13,379,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476,977.60 : 17,178,141.60 = 8,938,891.20 : x
  2. Step 2: Convert to fraction form
    11,476,977.60/17,178,141.60 = 8,938,891.20/x
  3. Step 3: Cross multiply
    11,476,977.60x = 17,178,141.60 × 8,938,891.20
  4. Step 4: Simplify right side
    11,476,977.60x = 153,553,538,780,593.91
  5. Step 5: Solve for x
    x = 153,553,538,780,593.91/11,476,977.60
  6. Step 6: Final answer
    x = 13,379,266.23

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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.