Home / 12,809,672.60-17,675,602.36-7,651,939.28

Finding the Fourth Proportional to 12,809,672.60, 17,675,602.36 and 7,651,939.28

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Solution

The fourth proportional to 12,809,672.60, 17,675,602.36 and 7,651,939.28 is: 10,558,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,672.60 : 17,675,602.36 = 7,651,939.28 : x
  2. Step 2: Convert to fraction form
    12,809,672.60/17,675,602.36 = 7,651,939.28/x
  3. Step 3: Cross multiply
    12,809,672.60x = 17,675,602.36 × 7,651,939.28
  4. Step 4: Simplify right side
    12,809,672.60x = 135,252,635,996,144.70
  5. Step 5: Solve for x
    x = 135,252,635,996,144.70/12,809,672.60
  6. Step 6: Final answer
    x = 10,558,633.32

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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.