Home / 12,815,459.84-19,224,357.78-4,177,343.09

Finding the Fourth Proportional to 12,815,459.84, 19,224,357.78 and 4,177,343.09

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Solution

The fourth proportional to 12,815,459.84, 19,224,357.78 and 4,177,343.09 is: 6,266,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,459.84 : 19,224,357.78 = 4,177,343.09 : x
  2. Step 2: Convert to fraction form
    12,815,459.84/19,224,357.78 = 4,177,343.09/x
  3. Step 3: Cross multiply
    12,815,459.84x = 19,224,357.78 × 4,177,343.09
  4. Step 4: Simplify right side
    12,815,459.84x = 80,306,738,087,559.67
  5. Step 5: Solve for x
    x = 80,306,738,087,559.67/12,815,459.84
  6. Step 6: Final answer
    x = 6,266,395.36

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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.