Home / 13,236,369.18-19,855,697.40-3,651,747.72

Finding the Fourth Proportional to 13,236,369.18, 19,855,697.40 and 3,651,747.72

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Solution

The fourth proportional to 13,236,369.18, 19,855,697.40 and 3,651,747.72 is: 5,477,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,369.18 : 19,855,697.40 = 3,651,747.72 : x
  2. Step 2: Convert to fraction form
    13,236,369.18/19,855,697.40 = 3,651,747.72/x
  3. Step 3: Cross multiply
    13,236,369.18x = 19,855,697.40 × 3,651,747.72
  4. Step 4: Simplify right side
    13,236,369.18x = 72,507,997,709,459.92
  5. Step 5: Solve for x
    x = 72,507,997,709,459.92/13,236,369.18
  6. Step 6: Final answer
    x = 5,477,937.09

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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.