Home / 15,457,241.70-21,330,160.92-8,581,280.88

Finding the Fourth Proportional to 15,457,241.70, 21,330,160.92 and 8,581,280.88

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Solution

The fourth proportional to 15,457,241.70, 21,330,160.92 and 8,581,280.88 is: 11,841,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457,241.70 : 21,330,160.92 = 8,581,280.88 : x
  2. Step 2: Convert to fraction form
    15,457,241.70/21,330,160.92 = 8,581,280.88/x
  3. Step 3: Cross multiply
    15,457,241.70x = 21,330,160.92 × 8,581,280.88
  4. Step 4: Simplify right side
    15,457,241.70x = 183,040,102,070,119.25
  5. Step 5: Solve for x
    x = 183,040,102,070,119.25/15,457,241.70
  6. Step 6: Final answer
    x = 11,841,705.37

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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.