Home / 14,815,837.58-20,446,651.14-8,289,078.72

Finding the Fourth Proportional to 14,815,837.58, 20,446,651.14 and 8,289,078.72

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Solution

The fourth proportional to 14,815,837.58, 20,446,651.14 and 8,289,078.72 is: 11,439,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815,837.58 : 20,446,651.14 = 8,289,078.72 : x
  2. Step 2: Convert to fraction form
    14,815,837.58/20,446,651.14 = 8,289,078.72/x
  3. Step 3: Cross multiply
    14,815,837.58x = 20,446,651.14 × 8,289,078.72
  4. Step 4: Simplify right side
    14,815,837.58x = 169,483,900,859,837.75
  5. Step 5: Solve for x
    x = 169,483,900,859,837.75/14,815,837.58
  6. Step 6: Final answer
    x = 11,439,373.57

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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.