Home / 20,325,083.90-28,009,852.85-19,951,500.56

Finding the Fourth Proportional to 20,325,083.90, 28,009,852.85 and 19,951,500.56

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Solution

The fourth proportional to 20,325,083.90, 28,009,852.85 and 19,951,500.56 is: 27,495,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325,083.90 : 28,009,852.85 = 19,951,500.56 : x
  2. Step 2: Convert to fraction form
    20,325,083.90/28,009,852.85 = 19,951,500.56/x
  3. Step 3: Cross multiply
    20,325,083.90x = 28,009,852.85 × 19,951,500.56
  4. Step 4: Simplify right side
    20,325,083.90x = 558,838,594,732,122.06
  5. Step 5: Solve for x
    x = 558,838,594,732,122.06/20,325,083.90
  6. Step 6: Final answer
    x = 27,495,020.32

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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.