Home / 12,829,769.76-17,705,080.80-7,673,130.48

Finding the Fourth Proportional to 12,829,769.76, 17,705,080.80 and 7,673,130.48

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Solution

The fourth proportional to 12,829,769.76, 17,705,080.80 and 7,673,130.48 is: 10,588,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829,769.76 : 17,705,080.80 = 7,673,130.48 : x
  2. Step 2: Convert to fraction form
    12,829,769.76/17,705,080.80 = 7,673,130.48/x
  3. Step 3: Cross multiply
    12,829,769.76x = 17,705,080.80 × 7,673,130.48
  4. Step 4: Simplify right side
    12,829,769.76x = 135,853,395,137,342.80
  5. Step 5: Solve for x
    x = 135,853,395,137,342.80/12,829,769.76
  6. Step 6: Final answer
    x = 10,588,919.18

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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.