Home / 13,576,469.40-20,388,323.70-7,199,177.40

Finding the Fourth Proportional to 13,576,469.40, 20,388,323.70 and 7,199,177.40

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Solution

The fourth proportional to 13,576,469.40, 20,388,323.70 and 7,199,177.40 is: 10,811,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576,469.40 : 20,388,323.70 = 7,199,177.40 : x
  2. Step 2: Convert to fraction form
    13,576,469.40/20,388,323.70 = 7,199,177.40/x
  3. Step 3: Cross multiply
    13,576,469.40x = 20,388,323.70 × 7,199,177.40
  4. Step 4: Simplify right side
    13,576,469.40x = 146,779,159,204,924.38
  5. Step 5: Solve for x
    x = 146,779,159,204,924.38/13,576,469.40
  6. Step 6: Final answer
    x = 10,811,290.84

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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.