Home / 19,277,351.49-28,900,888.39-13,193,638.98

Finding the Fourth Proportional to 19,277,351.49, 28,900,888.39 and 13,193,638.98

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Solution

The fourth proportional to 19,277,351.49, 28,900,888.39 and 13,193,638.98 is: 19,780,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277,351.49 : 28,900,888.39 = 13,193,638.98 : x
  2. Step 2: Convert to fraction form
    19,277,351.49/28,900,888.39 = 13,193,638.98/x
  3. Step 3: Cross multiply
    19,277,351.49x = 28,900,888.39 × 13,193,638.98
  4. Step 4: Simplify right side
    19,277,351.49x = 381,307,887,689,614.69
  5. Step 5: Solve for x
    x = 381,307,887,689,614.69/19,277,351.49
  6. Step 6: Final answer
    x = 19,780,097.27

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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.