Home / 18,422,126.79-27,621,365.73-7,646,865.27

Finding the Fourth Proportional to 18,422,126.79, 27,621,365.73 and 7,646,865.27

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Solution

The fourth proportional to 18,422,126.79, 27,621,365.73 and 7,646,865.27 is: 11,465,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422,126.79 : 27,621,365.73 = 7,646,865.27 : x
  2. Step 2: Convert to fraction form
    18,422,126.79/27,621,365.73 = 7,646,865.27/x
  3. Step 3: Cross multiply
    18,422,126.79x = 27,621,365.73 × 7,646,865.27
  4. Step 4: Simplify right side
    18,422,126.79x = 211,216,862,310,705.19
  5. Step 5: Solve for x
    x = 211,216,862,310,705.19/18,422,126.79
  6. Step 6: Final answer
    x = 11,465,389.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.