Home / 12,465,926.06-18,699,955.02-4,378,197.56

Finding the Fourth Proportional to 12,465,926.06, 18,699,955.02 and 4,378,197.56

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Solution

The fourth proportional to 12,465,926.06, 18,699,955.02 and 4,378,197.56 is: 6,567,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,926.06 : 18,699,955.02 = 4,378,197.56 : x
  2. Step 2: Convert to fraction form
    12,465,926.06/18,699,955.02 = 4,378,197.56/x
  3. Step 3: Cross multiply
    12,465,926.06x = 18,699,955.02 × 4,378,197.56
  4. Step 4: Simplify right side
    12,465,926.06x = 81,872,097,440,673.73
  5. Step 5: Solve for x
    x = 81,872,097,440,673.73/12,465,926.06
  6. Step 6: Final answer
    x = 6,567,670.71

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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.