Home / 13,428,176.14-18,530,885.73-7,316,604.64

Finding the Fourth Proportional to 13,428,176.14, 18,530,885.73 and 7,316,604.64

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Solution

The fourth proportional to 13,428,176.14, 18,530,885.73 and 7,316,604.64 is: 10,096,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,176.14 : 18,530,885.73 = 7,316,604.64 : x
  2. Step 2: Convert to fraction form
    13,428,176.14/18,530,885.73 = 7,316,604.64/x
  3. Step 3: Cross multiply
    13,428,176.14x = 18,530,885.73 × 7,316,604.64
  4. Step 4: Simplify right side
    13,428,176.14x = 135,583,164,515,427.78
  5. Step 5: Solve for x
    x = 135,583,164,515,427.78/13,428,176.14
  6. Step 6: Final answer
    x = 10,096,915.85

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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.