Home / 11,819,231.20-16,307,761.08-7,172,913.26

Finding the Fourth Proportional to 11,819,231.20, 16,307,761.08 and 7,172,913.26

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Solution

The fourth proportional to 11,819,231.20, 16,307,761.08 and 7,172,913.26 is: 9,896,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819,231.20 : 16,307,761.08 = 7,172,913.26 : x
  2. Step 2: Convert to fraction form
    11,819,231.20/16,307,761.08 = 7,172,913.26/x
  3. Step 3: Cross multiply
    11,819,231.20x = 16,307,761.08 × 7,172,913.26
  4. Step 4: Simplify right side
    11,819,231.20x = 116,974,155,691,643.92
  5. Step 5: Solve for x
    x = 116,974,155,691,643.92/11,819,231.20
  6. Step 6: Final answer
    x = 9,896,934.39

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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.