Home / 12,513,775.52-17,269,010.22-6,790,639.52

Finding the Fourth Proportional to 12,513,775.52, 17,269,010.22 and 6,790,639.52

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Solution

The fourth proportional to 12,513,775.52, 17,269,010.22 and 6,790,639.52 is: 9,371,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,775.52 : 17,269,010.22 = 6,790,639.52 : x
  2. Step 2: Convert to fraction form
    12,513,775.52/17,269,010.22 = 6,790,639.52/x
  3. Step 3: Cross multiply
    12,513,775.52x = 17,269,010.22 × 6,790,639.52
  4. Step 4: Simplify right side
    12,513,775.52x = 117,267,623,271,215.88
  5. Step 5: Solve for x
    x = 117,267,623,271,215.88/12,513,775.52
  6. Step 6: Final answer
    x = 9,371,082.54

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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.