Home / 11,216,329.81-16,817,768.64-5,143,453.84

Finding the Fourth Proportional to 11,216,329.81, 16,817,768.64 and 5,143,453.84

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Solution

The fourth proportional to 11,216,329.81, 16,817,768.64 and 5,143,453.84 is: 7,712,096.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216,329.81 : 16,817,768.64 = 5,143,453.84 : x
  2. Step 2: Convert to fraction form
    11,216,329.81/16,817,768.64 = 5,143,453.84/x
  3. Step 3: Cross multiply
    11,216,329.81x = 16,817,768.64 × 5,143,453.84
  4. Step 4: Simplify right side
    11,216,329.81x = 86,501,416,691,639.58
  5. Step 5: Solve for x
    x = 86,501,416,691,639.58/11,216,329.81
  6. Step 6: Final answer
    x = 7,712,096.39

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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.