Home / 18,365,576.77-25,343,736.08-9,992,981

Finding the Fourth Proportional to 18,365,576.77, 25,343,736.08 and 9,992,981

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Solution

The fourth proportional to 18,365,576.77, 25,343,736.08 and 9,992,981 is: 13,789,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,576.77 : 25,343,736.08 = 9,992,981 : x
  2. Step 2: Convert to fraction form
    18,365,576.77/25,343,736.08 = 9,992,981/x
  3. Step 3: Cross multiply
    18,365,576.77x = 25,343,736.08 × 9,992,981
  4. Step 4: Simplify right side
    18,365,576.77x = 253,259,473,116,454.47
  5. Step 5: Solve for x
    x = 253,259,473,116,454.47/18,365,576.77
  6. Step 6: Final answer
    x = 13,789,900.33

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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.