Home / 29,612,742.92-40,875,858.78-20,350,972.25

Finding the Fourth Proportional to 29,612,742.92, 40,875,858.78 and 20,350,972.25

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Solution

The fourth proportional to 29,612,742.92, 40,875,858.78 and 20,350,972.25 is: 28,091,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,612,742.92 : 40,875,858.78 = 20,350,972.25 : x
  2. Step 2: Convert to fraction form
    29,612,742.92/40,875,858.78 = 20,350,972.25/x
  3. Step 3: Cross multiply
    29,612,742.92x = 40,875,858.78 × 20,350,972.25
  4. Step 4: Simplify right side
    29,612,742.92x = 831,863,467,726,698.88
  5. Step 5: Solve for x
    x = 831,863,467,726,698.88/29,612,742.92
  6. Step 6: Final answer
    x = 28,091,402.07

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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.