Home / 38,298,635.75-52,852,057.04-20,894,982.51

Finding the Fourth Proportional to 38,298,635.75, 52,852,057.04 and 20,894,982.51

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Solution

The fourth proportional to 38,298,635.75, 52,852,057.04 and 20,894,982.51 is: 28,835,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298,635.75 : 52,852,057.04 = 20,894,982.51 : x
  2. Step 2: Convert to fraction form
    38,298,635.75/52,852,057.04 = 20,894,982.51/x
  3. Step 3: Cross multiply
    38,298,635.75x = 52,852,057.04 × 20,894,982.51
  4. Step 4: Simplify right side
    38,298,635.75x = 1,104,342,807,363,847.50
  5. Step 5: Solve for x
    x = 1,104,342,807,363,847.50/38,298,635.75
  6. Step 6: Final answer
    x = 28,835,042.97

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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.