Home / 21,457,967.14-29,611,093.25-12,166,162.30

Finding the Fourth Proportional to 21,457,967.14, 29,611,093.25 and 12,166,162.30

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Solution

The fourth proportional to 21,457,967.14, 29,611,093.25 and 12,166,162.30 is: 16,788,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457,967.14 : 29,611,093.25 = 12,166,162.30 : x
  2. Step 2: Convert to fraction form
    21,457,967.14/29,611,093.25 = 12,166,162.30/x
  3. Step 3: Cross multiply
    21,457,967.14x = 29,611,093.25 × 12,166,162.30
  4. Step 4: Simplify right side
    21,457,967.14x = 360,253,366,427,363.75
  5. Step 5: Solve for x
    x = 360,253,366,427,363.75/21,457,967.14
  6. Step 6: Final answer
    x = 16,788,792.90

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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.