Home / 12,657,661.29-17,467,656.45-6,856,443.03

Finding the Fourth Proportional to 12,657,661.29, 17,467,656.45 and 6,856,443.03

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Solution

The fourth proportional to 12,657,661.29, 17,467,656.45 and 6,856,443.03 is: 9,461,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657,661.29 : 17,467,656.45 = 6,856,443.03 : x
  2. Step 2: Convert to fraction form
    12,657,661.29/17,467,656.45 = 6,856,443.03/x
  3. Step 3: Cross multiply
    12,657,661.29x = 17,467,656.45 × 6,856,443.03
  4. Step 4: Simplify right side
    12,657,661.29x = 119,765,991,317,037.05
  5. Step 5: Solve for x
    x = 119,765,991,317,037.05/12,657,661.29
  6. Step 6: Final answer
    x = 9,461,936.81

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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.