Home / 18,561,888.99-25,615,021.50-10,301,471.55

Finding the Fourth Proportional to 18,561,888.99, 25,615,021.50 and 10,301,471.55

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Solution

The fourth proportional to 18,561,888.99, 25,615,021.50 and 10,301,471.55 is: 14,215,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561,888.99 : 25,615,021.50 = 10,301,471.55 : x
  2. Step 2: Convert to fraction form
    18,561,888.99/25,615,021.50 = 10,301,471.55/x
  3. Step 3: Cross multiply
    18,561,888.99x = 25,615,021.50 × 10,301,471.55
  4. Step 4: Simplify right side
    18,561,888.99x = 263,872,415,234,888.34
  5. Step 5: Solve for x
    x = 263,872,415,234,888.34/18,561,888.99
  6. Step 6: Final answer
    x = 14,215,816.90

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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.