Home / 14,779,691.52-20,405,571.39-13,228,266.53

Finding the Fourth Proportional to 14,779,691.52, 20,405,571.39 and 13,228,266.53

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Solution

The fourth proportional to 14,779,691.52, 20,405,571.39 and 13,228,266.53 is: 18,263,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779,691.52 : 20,405,571.39 = 13,228,266.53 : x
  2. Step 2: Convert to fraction form
    14,779,691.52/20,405,571.39 = 13,228,266.53/x
  3. Step 3: Cross multiply
    14,779,691.52x = 20,405,571.39 × 13,228,266.53
  4. Step 4: Simplify right side
    14,779,691.52x = 269,930,336,941,834.75
  5. Step 5: Solve for x
    x = 269,930,336,941,834.75/14,779,691.52
  6. Step 6: Final answer
    x = 18,263,597.49

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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.