Home / 8,123,829.50-11,212,119.61-5,184,915.21

Finding the Fourth Proportional to 8,123,829.50, 11,212,119.61 and 5,184,915.21

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Solution

The fourth proportional to 8,123,829.50, 11,212,119.61 and 5,184,915.21 is: 7,155,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,829.50 : 11,212,119.61 = 5,184,915.21 : x
  2. Step 2: Convert to fraction form
    8,123,829.50/11,212,119.61 = 5,184,915.21/x
  3. Step 3: Cross multiply
    8,123,829.50x = 11,212,119.61 × 5,184,915.21
  4. Step 4: Simplify right side
    8,123,829.50x = 58,133,889,502,228.27
  5. Step 5: Solve for x
    x = 58,133,889,502,228.27/8,123,829.50
  6. Step 6: Final answer
    x = 7,155,971.15

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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.