Home / 29,612,741.92-40,875,857.40-20,350,971.25

Finding the Fourth Proportional to 29,612,741.92, 40,875,857.40 and 20,350,971.25

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Solution

The fourth proportional to 29,612,741.92, 40,875,857.40 and 20,350,971.25 is: 28,091,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,612,741.92 : 40,875,857.40 = 20,350,971.25 : x
  2. Step 2: Convert to fraction form
    29,612,741.92/40,875,857.40 = 20,350,971.25/x
  3. Step 3: Cross multiply
    29,612,741.92x = 40,875,857.40 × 20,350,971.25
  4. Step 4: Simplify right side
    29,612,741.92x = 831,863,398,766,499.75
  5. Step 5: Solve for x
    x = 831,863,398,766,499.75/29,612,741.92
  6. Step 6: Final answer
    x = 28,091,400.69

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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.