Home / 25,472,003.20-38,208,004.80-17,409,846.40

Finding the Fourth Proportional to 25,472,003.20, 38,208,004.80 and 17,409,846.40

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Solution

The fourth proportional to 25,472,003.20, 38,208,004.80 and 17,409,846.40 is: 26,114,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472,003.20 : 38,208,004.80 = 17,409,846.40 : x
  2. Step 2: Convert to fraction form
    25,472,003.20/38,208,004.80 = 17,409,846.40/x
  3. Step 3: Cross multiply
    25,472,003.20x = 38,208,004.80 × 17,409,846.40
  4. Step 4: Simplify right side
    25,472,003.20x = 665,195,494,818,462.62
  5. Step 5: Solve for x
    x = 665,195,494,818,462.62/25,472,003.20
  6. Step 6: Final answer
    x = 26,114,769.60

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Similar ratio
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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.