Home / 12,868,779.68-19,303,153.21-3,284,158.42

Finding the Fourth Proportional to 12,868,779.68, 19,303,153.21 and 3,284,158.42

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Solution

The fourth proportional to 12,868,779.68, 19,303,153.21 and 3,284,158.42 is: 4,926,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,779.68 : 19,303,153.21 = 3,284,158.42 : x
  2. Step 2: Convert to fraction form
    12,868,779.68/19,303,153.21 = 3,284,158.42/x
  3. Step 3: Cross multiply
    12,868,779.68x = 19,303,153.21 × 3,284,158.42
  4. Step 4: Simplify right side
    12,868,779.68x = 63,394,613,147,171.53
  5. Step 5: Solve for x
    x = 63,394,613,147,171.53/12,868,779.68
  6. Step 6: Final answer
    x = 4,926,233.47

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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.