Home / 11,999,925-18,001,757.34-3,911,023.98

Finding the Fourth Proportional to 11,999,925, 18,001,757.34 and 3,911,023.98

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Solution

The fourth proportional to 11,999,925, 18,001,757.34 and 3,911,023.98 is: 5,867,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999,925 : 18,001,757.34 = 3,911,023.98 : x
  2. Step 2: Convert to fraction form
    11,999,925/18,001,757.34 = 3,911,023.98/x
  3. Step 3: Cross multiply
    11,999,925x = 18,001,757.34 × 3,911,023.98
  4. Step 4: Simplify right side
    11,999,925x = 70,405,304,638,881.02
  5. Step 5: Solve for x
    x = 70,405,304,638,881.02/11,999,925
  6. Step 6: Final answer
    x = 5,867,145.39

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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.