Home / 10,618,762.95-14,655,016.85-6,491,209.89

Finding the Fourth Proportional to 10,618,762.95, 14,655,016.85 and 6,491,209.89

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Solution

The fourth proportional to 10,618,762.95, 14,655,016.85 and 6,491,209.89 is: 8,958,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618,762.95 : 14,655,016.85 = 6,491,209.89 : x
  2. Step 2: Convert to fraction form
    10,618,762.95/14,655,016.85 = 6,491,209.89/x
  3. Step 3: Cross multiply
    10,618,762.95x = 14,655,016.85 × 6,491,209.89
  4. Step 4: Simplify right side
    10,618,762.95x = 95,128,790,282,380.59
  5. Step 5: Solve for x
    x = 95,128,790,282,380.59/10,618,762.95
  6. Step 6: Final answer
    x = 8,958,556.73

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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.