Home / 52,036,291.28-71,809,131.46-28,831,333.52

Finding the Fourth Proportional to 52,036,291.28, 71,809,131.46 and 28,831,333.52

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Solution

The fourth proportional to 52,036,291.28, 71,809,131.46 and 28,831,333.52 is: 39,786,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,036,291.28 : 71,809,131.46 = 28,831,333.52 : x
  2. Step 2: Convert to fraction form
    52,036,291.28/71,809,131.46 = 28,831,333.52/x
  3. Step 3: Cross multiply
    52,036,291.28x = 71,809,131.46 × 28,831,333.52
  4. Step 4: Simplify right side
    52,036,291.28x = 2,070,353,018,904,784.25
  5. Step 5: Solve for x
    x = 2,070,353,018,904,784.25/52,036,291.28
  6. Step 6: Final answer
    x = 39,786,713.62

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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.