Home / 45,220,961.73-67,831,862.40-12,872,863.08

Finding the Fourth Proportional to 45,220,961.73, 67,831,862.40 and 12,872,863.08

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Solution

The fourth proportional to 45,220,961.73, 67,831,862.40 and 12,872,863.08 is: 19,309,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220,961.73 : 67,831,862.40 = 12,872,863.08 : x
  2. Step 2: Convert to fraction form
    45,220,961.73/67,831,862.40 = 12,872,863.08/x
  3. Step 3: Cross multiply
    45,220,961.73x = 67,831,862.40 × 12,872,863.08
  4. Step 4: Simplify right side
    45,220,961.73x = 873,190,277,136,600.25
  5. Step 5: Solve for x
    x = 873,190,277,136,600.25/45,220,961.73
  6. Step 6: Final answer
    x = 19,309,414.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.