Home / 13,408,035.55-18,503,019.04-7,296,507.79

Finding the Fourth Proportional to 13,408,035.55, 18,503,019.04 and 7,296,507.79

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Solution

The fourth proportional to 13,408,035.55, 18,503,019.04 and 7,296,507.79 is: 10,069,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,035.55 : 18,503,019.04 = 7,296,507.79 : x
  2. Step 2: Convert to fraction form
    13,408,035.55/18,503,019.04 = 7,296,507.79/x
  3. Step 3: Cross multiply
    13,408,035.55x = 18,503,019.04 × 7,296,507.79
  4. Step 4: Simplify right side
    13,408,035.55x = 135,007,422,563,878.31
  5. Step 5: Solve for x
    x = 135,007,422,563,878.31/13,408,035.55
  6. Step 6: Final answer
    x = 10,069,142.65

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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.