Home / 12,647,080-17,455,334.79-7,214,572

Finding the Fourth Proportional to 12,647,080, 17,455,334.79 and 7,214,572

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Solution

The fourth proportional to 12,647,080, 17,455,334.79 and 7,214,572 is: 9,957,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,080 : 17,455,334.79 = 7,214,572 : x
  2. Step 2: Convert to fraction form
    12,647,080/17,455,334.79 = 7,214,572/x
  3. Step 3: Cross multiply
    12,647,080x = 17,455,334.79 × 7,214,572
  4. Step 4: Simplify right side
    12,647,080x = 125,932,769,626,559.88
  5. Step 5: Solve for x
    x = 125,932,769,626,559.88/12,647,080
  6. Step 6: Final answer
    x = 9,957,458.13

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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.