Home / 34,325,403.60-51,413,455.80-20,838,709.20

Finding the Fourth Proportional to 34,325,403.60, 51,413,455.80 and 20,838,709.20

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Solution

The fourth proportional to 34,325,403.60, 51,413,455.80 and 20,838,709.20 is: 31,212,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,325,403.60 : 51,413,455.80 = 20,838,709.20 : x
  2. Step 2: Convert to fraction form
    34,325,403.60/51,413,455.80 = 20,838,709.20/x
  3. Step 3: Cross multiply
    34,325,403.60x = 51,413,455.80 × 20,838,709.20
  4. Step 4: Simplify right side
    34,325,403.60x = 1,071,390,054,383,253.25
  5. Step 5: Solve for x
    x = 1,071,390,054,383,253.25/34,325,403.60
  6. Step 6: Final answer
    x = 31,212,744.56

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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.