Home / 12,809,948.84-17,674,836.90-7,652,305.16

Finding the Fourth Proportional to 12,809,948.84, 17,674,836.90 and 7,652,305.16

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Solution

The fourth proportional to 12,809,948.84, 17,674,836.90 and 7,652,305.16 is: 10,558,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,948.84 : 17,674,836.90 = 7,652,305.16 : x
  2. Step 2: Convert to fraction form
    12,809,948.84/17,674,836.90 = 7,652,305.16/x
  3. Step 3: Cross multiply
    12,809,948.84x = 17,674,836.90 × 7,652,305.16
  4. Step 4: Simplify right side
    12,809,948.84x = 135,253,245,612,028.39
  5. Step 5: Solve for x
    x = 135,253,245,612,028.39/12,809,948.84
  6. Step 6: Final answer
    x = 10,558,453.22

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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.