Home / 13,998,051.90-20,997,077.85-3,900,672.90

Finding the Fourth Proportional to 13,998,051.90, 20,997,077.85 and 3,900,672.90

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Solution

The fourth proportional to 13,998,051.90, 20,997,077.85 and 3,900,672.90 is: 5,851,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,051.90 : 20,997,077.85 = 3,900,672.90 : x
  2. Step 2: Convert to fraction form
    13,998,051.90/20,997,077.85 = 3,900,672.90/x
  3. Step 3: Cross multiply
    13,998,051.90x = 20,997,077.85 × 3,900,672.90
  4. Step 4: Simplify right side
    13,998,051.90x = 81,902,732,548,685.27
  5. Step 5: Solve for x
    x = 81,902,732,548,685.27/13,998,051.90
  6. Step 6: Final answer
    x = 5,851,009.35

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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.