Home / 12,868,779.49-19,303,152.93-3,284,158.23

Finding the Fourth Proportional to 12,868,779.49, 19,303,152.93 and 3,284,158.23

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Solution

The fourth proportional to 12,868,779.49, 19,303,152.93 and 3,284,158.23 is: 4,926,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,779.49 : 19,303,152.93 = 3,284,158.23 : x
  2. Step 2: Convert to fraction form
    12,868,779.49/19,303,152.93 = 3,284,158.23/x
  3. Step 3: Cross multiply
    12,868,779.49x = 19,303,152.93 × 3,284,158.23
  4. Step 4: Simplify right side
    12,868,779.49x = 63,394,608,560,008.11
  5. Step 5: Solve for x
    x = 63,394,608,560,008.11/12,868,779.49
  6. Step 6: Final answer
    x = 4,926,233.18

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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.