Home / 8,672,715.38-11,968,188.81-4,805,222.42

Finding the Fourth Proportional to 8,672,715.38, 11,968,188.81 and 4,805,222.42

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Solution

The fourth proportional to 8,672,715.38, 11,968,188.81 and 4,805,222.42 is: 6,631,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672,715.38 : 11,968,188.81 = 4,805,222.42 : x
  2. Step 2: Convert to fraction form
    8,672,715.38/11,968,188.81 = 4,805,222.42/x
  3. Step 3: Cross multiply
    8,672,715.38x = 11,968,188.81 × 4,805,222.42
  4. Step 4: Simplify right side
    8,672,715.38x = 57,509,809,196,605.12
  5. Step 5: Solve for x
    x = 57,509,809,196,605.12/8,672,715.38
  6. Step 6: Final answer
    x = 6,631,119.17

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1.5x scale

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.