Home / 21,935,496.60-30,261,606.48-13,228,719.12

Finding the Fourth Proportional to 21,935,496.60, 30,261,606.48 and 13,228,719.12

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Solution

The fourth proportional to 21,935,496.60, 30,261,606.48 and 13,228,719.12 is: 18,249,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935,496.60 : 30,261,606.48 = 13,228,719.12 : x
  2. Step 2: Convert to fraction form
    21,935,496.60/30,261,606.48 = 13,228,719.12/x
  3. Step 3: Cross multiply
    21,935,496.60x = 30,261,606.48 × 13,228,719.12
  4. Step 4: Simplify right side
    21,935,496.60x = 400,322,292,243,891.88
  5. Step 5: Solve for x
    x = 400,322,292,243,891.88/21,935,496.60
  6. Step 6: Final answer
    x = 18,249,976.26

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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.