Home / 13,166,099.52-18,172,869.47-7,660,537.83

Finding the Fourth Proportional to 13,166,099.52, 18,172,869.47 and 7,660,537.83

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Solution

The fourth proportional to 13,166,099.52, 18,172,869.47 and 7,660,537.83 is: 10,573,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166,099.52 : 18,172,869.47 = 7,660,537.83 : x
  2. Step 2: Convert to fraction form
    13,166,099.52/18,172,869.47 = 7,660,537.83/x
  3. Step 3: Cross multiply
    13,166,099.52x = 18,172,869.47 × 7,660,537.83
  4. Step 4: Simplify right side
    13,166,099.52x = 139,213,954,016,284.36
  5. Step 5: Solve for x
    x = 139,213,954,016,284.36/13,166,099.52
  6. Step 6: Final answer
    x = 10,573,667.15

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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.