Home / 15,643,448.56-21,588,005.49-8,674,617.04

Finding the Fourth Proportional to 15,643,448.56, 21,588,005.49 and 8,674,617.04

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Solution

The fourth proportional to 15,643,448.56, 21,588,005.49 and 8,674,617.04 is: 11,970,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643,448.56 : 21,588,005.49 = 8,674,617.04 : x
  2. Step 2: Convert to fraction form
    15,643,448.56/21,588,005.49 = 8,674,617.04/x
  3. Step 3: Cross multiply
    15,643,448.56x = 21,588,005.49 × 8,674,617.04
  4. Step 4: Simplify right side
    15,643,448.56x = 187,267,680,283,167.53
  5. Step 5: Solve for x
    x = 187,267,680,283,167.53/15,643,448.56
  6. Step 6: Final answer
    x = 11,970,997.29

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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.