Home / 18,666,986.82-25,740,799.44-14,740,228.32

Finding the Fourth Proportional to 18,666,986.82, 25,740,799.44 and 14,740,228.32

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Solution

The fourth proportional to 18,666,986.82, 25,740,799.44 and 14,740,228.32 is: 20,326,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666,986.82 : 25,740,799.44 = 14,740,228.32 : x
  2. Step 2: Convert to fraction form
    18,666,986.82/25,740,799.44 = 14,740,228.32/x
  3. Step 3: Cross multiply
    18,666,986.82x = 25,740,799.44 × 14,740,228.32
  4. Step 4: Simplify right side
    18,666,986.82x = 379,425,260,884,928.19
  5. Step 5: Solve for x
    x = 379,425,260,884,928.19/18,666,986.82
  6. Step 6: Final answer
    x = 20,326,004.65

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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.