Home / 20,483,551.89-30,729,903.53-7,704,167.31

Finding the Fourth Proportional to 20,483,551.89, 30,729,903.53 and 7,704,167.31

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Solution

The fourth proportional to 20,483,551.89, 30,729,903.53 and 7,704,167.31 is: 11,557,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,551.89 : 30,729,903.53 = 7,704,167.31 : x
  2. Step 2: Convert to fraction form
    20,483,551.89/30,729,903.53 = 7,704,167.31/x
  3. Step 3: Cross multiply
    20,483,551.89x = 30,729,903.53 × 7,704,167.31
  4. Step 4: Simplify right side
    20,483,551.89x = 236,748,318,176,758.75
  5. Step 5: Solve for x
    x = 236,748,318,176,758.75/20,483,551.89
  6. Step 6: Final answer
    x = 11,557,971.95

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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.