Home / 12,642,905.35-17,447,209.45-6,841,687.17

Finding the Fourth Proportional to 12,642,905.35, 17,447,209.45 and 6,841,687.17

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Solution

The fourth proportional to 12,642,905.35, 17,447,209.45 and 6,841,687.17 is: 9,441,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,905.35 : 17,447,209.45 = 6,841,687.17 : x
  2. Step 2: Convert to fraction form
    12,642,905.35/17,447,209.45 = 6,841,687.17/x
  3. Step 3: Cross multiply
    12,642,905.35x = 17,447,209.45 × 6,841,687.17
  4. Step 4: Simplify right side
    12,642,905.35x = 119,368,349,094,690.59
  5. Step 5: Solve for x
    x = 119,368,349,094,690.59/12,642,905.35
  6. Step 6: Final answer
    x = 9,441,528.33

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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.