Home / 13,036,960.88-17,991,846.78-7,235,742.92

Finding the Fourth Proportional to 13,036,960.88, 17,991,846.78 and 7,235,742.92

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Solution

The fourth proportional to 13,036,960.88, 17,991,846.78 and 7,235,742.92 is: 9,985,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036,960.88 : 17,991,846.78 = 7,235,742.92 : x
  2. Step 2: Convert to fraction form
    13,036,960.88/17,991,846.78 = 7,235,742.92/x
  3. Step 3: Cross multiply
    13,036,960.88x = 17,991,846.78 × 7,235,742.92
  4. Step 4: Simplify right side
    13,036,960.88x = 130,184,377,956,109.81
  5. Step 5: Solve for x
    x = 130,184,377,956,109.81/13,036,960.88
  6. Step 6: Final answer
    x = 9,985,791.87

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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.