Home / 19,429,200-29,145,199.68-7,461,936

Finding the Fourth Proportional to 19,429,200, 29,145,199.68 and 7,461,936

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Solution

The fourth proportional to 19,429,200, 29,145,199.68 and 7,461,936 is: 11,193,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429,200 : 29,145,199.68 = 7,461,936 : x
  2. Step 2: Convert to fraction form
    19,429,200/29,145,199.68 = 7,461,936/x
  3. Step 3: Cross multiply
    19,429,200x = 29,145,199.68 × 7,461,936
  4. Step 4: Simplify right side
    19,429,200x = 217,479,614,719,380.47
  5. Step 5: Solve for x
    x = 217,479,614,719,380.47/19,429,200
  6. Step 6: Final answer
    x = 11,193,441.56

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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.