Home / 11,819,243.70-16,307,778.33-7,172,925.75

Finding the Fourth Proportional to 11,819,243.70, 16,307,778.33 and 7,172,925.75

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Solution

The fourth proportional to 11,819,243.70, 16,307,778.33 and 7,172,925.75 is: 9,896,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819,243.70 : 16,307,778.33 = 7,172,925.75 : x
  2. Step 2: Convert to fraction form
    11,819,243.70/16,307,778.33 = 7,172,925.75/x
  3. Step 3: Cross multiply
    11,819,243.70x = 16,307,778.33 × 7,172,925.75
  4. Step 4: Simplify right side
    11,819,243.70x = 116,974,483,108,549
  5. Step 5: Solve for x
    x = 116,974,483,108,549/11,819,243.70
  6. Step 6: Final answer
    x = 9,896,951.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.