Home / 14,289,654.42-21,427,709.22-5,540,021.46

Finding the Fourth Proportional to 14,289,654.42, 21,427,709.22 and 5,540,021.46

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Solution

The fourth proportional to 14,289,654.42, 21,427,709.22 and 5,540,021.46 is: 8,307,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289,654.42 : 21,427,709.22 = 5,540,021.46 : x
  2. Step 2: Convert to fraction form
    14,289,654.42/21,427,709.22 = 5,540,021.46/x
  3. Step 3: Cross multiply
    14,289,654.42x = 21,427,709.22 × 5,540,021.46
  4. Step 4: Simplify right side
    14,289,654.42x = 118,709,968,917,439.86
  5. Step 5: Solve for x
    x = 118,709,968,917,439.86/14,289,654.42
  6. Step 6: Final answer
    x = 8,307,406.56

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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.