Home / 20,831,836.30-28,749,119.19-11,664,398.86

Finding the Fourth Proportional to 20,831,836.30, 28,749,119.19 and 11,664,398.86

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Solution

The fourth proportional to 20,831,836.30, 28,749,119.19 and 11,664,398.86 is: 16,097,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,831,836.30 : 28,749,119.19 = 11,664,398.86 : x
  2. Step 2: Convert to fraction form
    20,831,836.30/28,749,119.19 = 11,664,398.86/x
  3. Step 3: Cross multiply
    20,831,836.30x = 28,749,119.19 × 11,664,398.86
  4. Step 4: Simplify right side
    20,831,836.30x = 335,341,193,105,840.12
  5. Step 5: Solve for x
    x = 335,341,193,105,840.12/20,831,836.30
  6. Step 6: Final answer
    x = 16,097,534.00

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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.