Home / 21,457,972.44-29,611,100.56-12,166,167.60

Finding the Fourth Proportional to 21,457,972.44, 29,611,100.56 and 12,166,167.60

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Solution

The fourth proportional to 21,457,972.44, 29,611,100.56 and 12,166,167.60 is: 16,788,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457,972.44 : 29,611,100.56 = 12,166,167.60 : x
  2. Step 2: Convert to fraction form
    21,457,972.44/29,611,100.56 = 12,166,167.60/x
  3. Step 3: Cross multiply
    21,457,972.44x = 29,611,100.56 × 12,166,167.60
  4. Step 4: Simplify right side
    21,457,972.44x = 360,253,612,233,413.81
  5. Step 5: Solve for x
    x = 360,253,612,233,413.81/21,457,972.44
  6. Step 6: Final answer
    x = 16,788,800.21

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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.